An endangered frog nursery in LA cares for hundreds of tadpoles until they’re ready for the wild
The frogs play a crucial role in ecosystems.
Science
UCSD professor who pioneered medicinal Trojan horses awarded prestigious MacArthur ‘genius grant’
Liangfang Zhang has spent his career figuring out how to disguise nanoparticles to fight diseases.
NASA ramps up support to get Boeing’s astronaut capsule flying after Butch and Suni fiasco
NASA is keen to redeem Boeing's ride for all the private stations to come.
SpaceX Starship makes it to orbit for the first time
SpaceX launched its Starship and Super Heavy rocket on Monday morning.
Private spacecraft falls back to Earth after failing to rescue aging NASA telescope
NASA's Swift Observatory is expected to follow in early November.
Federal report concludes hydrogen sulfide spikes near Tijuana River pose public health hazard
The assessment found brief spikes in the gas reached harmful levels near Berry Elementary School.
Ancient fossils unearthed at Oceanside construction site could be a ‘thunder beast’
Remains found of what could be a large, hoofed mammal that lived about 45 million...
Day and night get equal billing on Tuesday. A guide to the fall equinox
Equinoxes are the only times when the north and south poles are lit by sunshine...
Cats want to talk to us. Scientists are trying to decipher the meow
Cats, it turns out, are conversationalists.
NASA spacecraft discovers a huge new crater on the moon
The crater is bigger than the Roman Colosseum.
The T. rex had a body temperature similar to our own, study finds
The knowledge can help scientists piece together how the dinosaur might have lived.
Trump administration has cut or frozen $177 billion in grants across every state, analysis shows
Health, nutrition, the environment and disaster relief make up the largest share of the cuts.
Tijuana River sewage crisis costs region up to $503 million a year, study finds
A long-awaited economic impact study presented to the San Diego County Board of Supervisors estimates...
Has dark matter been found? Scientists analyze signal deep underground
A single unexplained particle interaction has Bay Area scientists investigating a tantalizing possibility.
Little Mercury may be shrinking faster than scientists expected
The shrinkage represents a loss in diameter of as much as 14 miles.
A stronger-than-normal El Nino alarms scientists over Galápagos wildlife and forests
They warn it could impact the unique flora and fauna of the Galápagos Islands.
Artemis II moonshot commander and pilot are hanging up their astronaut suits at NASA
The two NASA astronauts who led the Artemis II moonshot are leaving spaceflight behind.
What to know about Europe’s push to compete in space
A two-day International Space Summit started Wednesday.
In North Carolina, a race is on to restore critical peatland before it dries up or is destroyed
One-third of global carbon is stored in saturated peatlands, more than all forests combined.
Nuclear microreactors on Army bases? San Diego’s General Atomics is in the mix
The Janus Program selects five vendors to try to generate 24/7 power at military installations...
With $100 worth of supplies, this Chula Vista teen just won a prestigious international science award
Ihan Sung, 17, won fourth place in the Regeneron International Science and Engineering Fair. Two...
Rescue satellite gets close to NASA’s doomed telescope, even if it can’t save it
Katalyst's Link spacecraft got within 9 miles of Swift last weekend.
Severe erosion leaves Carlsbad’s Tamarack beach slim for Labor Day weekend
The California State Parks Department says it has no estimate of when it will reopen...
Trump administration stalled a survey of PFAS in wastewater, former EPA officials say
Forever chemicals are linked to health issues like cancer and developmental delays in children.
Scientists studying cockroach milk and nose-blowing win Ig Nobel prizes for quirky science
Thursday's ceremony was held for the first time outside the U.S.
A pair of spacecraft draw closer to Mercury after nearly decade-long voyage
Only one other spacecraft has explored our solar system's smallest planet.
Scientists find a huge 10-sided wave pattern swirling in the clouds over Saturn’s south pole
A single side of the decagon surpasses 10,000 miles.
Keeping cool saves thousands of lives yearly, but at a cost of worsening global warming, experts say
As global temperatures rise, AC use is increasing, leading to higher carbon emissions.
NASA’s cosmic mystery hunter launches atop SpaceX Falcon Heavy
The skies cleared and NASA's Nancy Grace Roman Space Telescope launched on a SpaceX Falcon...
Artemis II astronauts receive nation’s highest space honor for their successful moonshot
Three Americans and one Canadian received the Congressional Space Medal of Honor.
SpaceX recovers Starship from the Indian Ocean a month after launch and is shipping it back to Texas
The trip will take several months.
As super El Nino strengthens, study suggests that climate change is intensifying El Ninos
El Ninos are now more than 36% stronger than before the industrial age.
A near-total lunar eclipse will be visible Thursday night across San Diego County
A blood-red lunar eclipse will be visible across San Diego County Thursday night, but tropical...
Heat makes emergency rooms busier. Study shows which illness and injuries rise during hot spells
Gunshot wounds and assault injuries soar when the temperatures hits 92.6 degrees or above.
Humid air and warm seas making it hard for people across San Diego County to fall asleep
Cooler weather won't broadly return to the region until Sunday.
Earth is simmering in its hottest water temps on record, and that’s bad for fish and us
Experts warn of potential fisheries collapse and food shortages.
Near-total lunar eclipse is coming up with the Americas in prime position
The Americas will have the best seats when Earth's shadow briefly envelops the moon.
Astronomy and space sciences are soaring right now with kids. Keeping them engaged is much harder.
Science, pop-culture are converging at a crucial time for STEM recruitment. But some methods work...
Rescue mission is called off for NASA’s aging Swift space telescope
NASA paid $30 million for Katalyst to try to prolong the life of the telescope.
What beats seeing eclipses from space? Try the northern and southern lights
Astronaut Jessica Meir says the best cosmic shows are auroras.
Telescope spies the fastest star in the Milky Way zipping around a black hole
It's zipping around the supermassive black hole at the center of our galaxy.
Before-and-after NASA images show crater carved by a SpaceX rocket that slammed into the moon
The fresh crater appears to be 60 feet across and less than 10 feet deep.
Flight attendants and pilots have highest risk of dying from radiation-linked cancers, study says
Cosmic radiation exposure increases at high altitudes, affecting frequent flyers.
Lawrence Livermore National Laboratory using autonomous AI to quicken, broaden experimentation
Lawrence Livermore National Laboratory incorporates AI into experiments to speed scientific discovery
‘You see one snake, and it makes it worth it’: Why SDSU students are tracking down rattlesnakes in Mission Trails
They've implanted the red diamond rattlers with trackers. Now they're combing the ground in San...
Radiation vest tested on NASA moonshot can cut astronauts’ exposure in solar storms, study suggests
Radiation remains one of the biggest threats as NASA works toward a moon base.
Looking to see the solar eclipse from North America? Here’s where and when to catch a sliver
If you're far enough north, you can savor a partial eclipse.
NASA plans to send UCSD graduate Deniz Burnham to International Space Station
The 40-year-old astronaut will serve as a flight engineer for roughly seven months.
Traditional plastic forks shed harmful microplastics. Plastic created from sugar is an alternative
Bioplastics are an alternative to traditional plastics made of fossil fuels.
How to spot the Perseid meteor shower, a summer light show that promises to dazzle
As many as 50 to 100 meteors per hour may be visible under ideal conditions,...
South Korean satellite captures before and after views of SpaceX rocket’s moon crash
The terrain is noticeably darker where the rocket hit and carved out a crater.
A Roomba for ticks? Researchers pilot remote-controlled tick prevention
New technology intended to kill ticks without harming surrounding environment.
Testing is underway on vaccines to intercept brewing colon cancer before it takes root
An estimated 1 million Americans have Lynch syndrome.
Marmots got money troubles: Research cuts lead scientists to OnlyFans
Looking for some marmot content? Try OnlyFans or, rather, OnlyMarms.
New images of the sun show its surface in the finest detail yet
Scientists saw strange feathery patterns rippling across the surface.
Scientists are certain a wayward SpaceX rocket slammed into the moon as predicted
SpaceX says it's working with NASA to avoid any further lunar littering.
Gene-edited beagles may offer a future option for people with dog allergies
Scientists have to monitor the long-term health effects of the genetic tweak.
This summer isn’t breaking heat records — yet. Wait until El Nino kicks in, scientists say
So far this is only the third-hottest year, behind 2024 and 2025.
Sharks can hear you swimming from 100 feet away. That’s not necessarily a bad thing
Forget the smell of blood and all the shark fears we’ve internalized thanks to “Jaws.”
August’s total solar eclipse will sweep over Spain, Iceland and Greenland
Hundreds of millions more on the sidelines are in for a treat as well.
Big nuclear fusion project makes progress with components from San Diego’s General Atomics
The modules used in the project were designed by General Atomics and the Oak Ridge...
A discarded SpaceX rocket is on a high-speed collision course with the moon
The high-speed impact will carve out a crater and send up a plume of dust...
Ancient mummy DNA provides scientific evidence that colonization brought smallpox to the Americas
It spread to the Americas, where it killed millions and devastated Indigenous populations.
Study suggests the threat of mold-associated illnesses may be underappreciated
The elderly and those with weakened immune systems are most at risk.
Private mission to rescue NASA’s aging telescope runs into its own trouble
The trouble struck three weeks after the three-armed robotic spacecraft blasted into orbit.
The future of the UK’s renowned Lovell radio telescope is in question after a funding cut
Physicist Brian Cox called the cuts "devastating and irreversible."
A US-Russian space crew lands safely in Kazakhstan after an 8-month stint on the ISS
Russia and the U.S. cooperate on the space station and other projects.
Susumu Tonegawa, a UCSD graduate who won a Nobel Prize in medicine, dies at 86
Susumu Tonegawa, whose early research at UCSD and the Salk Institute helped him earn the...
Hurricane Genevieve likely to send 8- to 11-foot waves to San Diego County beaches
Forecasters say an emerging El Niño in the eastern Pacific might be making such storms...
This Oceanside teen once suffered hundreds of seizures a day. Now he can walk thanks to an experimental drug.
A child neurologist at Rady Children's Hospital worked with colleagues at UC San Diego and...
American scientists see prosecutions as part of federal campaign against them
Senior U.S. officials and members of Congress have leaned into unproven theories.
Why the fastest-growing Ebola outbreak in history is becoming more challenging
More than 1,000 people have died in eastern Congo's latest rare Ebola virus outbreak.
2,000 volunteers join a painstaking effort to restore massive skeleton of prehistoric predator
This massive amphibian was an aquatic predator from around the dawn of the dinosaur age.
SpaceX launch sends Northrop Grumman’s 2-handed rescue robot to space
SpaceX sent up a Tuesday evening launch of a Northrop Grumman robotic vehicle featuring a...
Will vaccine boosters be necessary as measles spreads nationwide?
Experts don't think so, but some people may still seek an additional dose to protect...
Renowned Salk Institute scientist resigns amid sexual misconduct investigation
Biologist Satchin Panda, an expert of circadian rhythms, denies the allegations, the journal Science reported.
SpaceX scrubs Starship launch attempt right as engines begin to light
SpaceX tried to get its 13th suborbital test flight of its Starship and Super Heavy...
What living in one of the world’s hottest towns feels like
Residents in Banda, India, struggle to cope with record-breaking heat waves.
Faint new planet is revealed around a young star after a decade in hiding
The planet was overshadowed by its considerably brighter star and two companion planets.
An experimental Alzheimer’s drug shows promise targeting a different brain protein, new study shows
The company Biogen is planning a larger study to try to prove the drug’s benefit.
US-Russian crew arrives at the International Space Station for 8-month mission
This highlights ongoing cooperation between Moscow and Washington in space.
In a sweet discovery, astronomers find sugar lurking in the space between stars
Astronomers have detected a type of sugar in space that’s also found in raspberries.
Grants to help Scripps Research expand life-saving wastewater program
Scientists to enhance community-based infectious disease tracking
UCSD’s Birch Aquarium drew record 603,670 guests over the past year
The boom in attendance was stoked by the new Living Seas Gallery.
UC San Diego develops way to forecast when coastal landslides are imminent
The proof-of-concept research could lead to an early warning system for the public.
New institute at UCSD aims to bring rigor to AI gold rush in health care
The Institute for Applied Health Intelligence would explore transition from promising trials to full implementation.
Pancreatic cancer breakthrough has big implications for early detection effort
A growing number of people with stage 4 cancer are experiencing the power of this...
Could a fertilizer breakthrough spark the next Green Revolution?
Lawrence Livermore National Lab develops process to treat wastewater and recycle nitrates for fertilizer
San Diego’s General Atomics gets $20M to advance fusion energy in California
The company is poised to design and develop a "fusion blanket" test facility in Poway
Last-minute launch problem delays satellite rescue mission for NASA
The Swift Observatory will fall out of orbit by October if no help arrives.
A marine heat wave caused seabird deaths off California. El Nino could worsen the die-off
Record ocean heat and El Nino are leading to mass California seabird die-offs.
Harvard professor with polarizing alien theories is picked to lead Trump administration UFO council
Avi Loeb leads a new White House panel investigating unidentified anomalous phenomena.
The largest digital camera ever built begins decade-long survey of the universe
The observatory is named after astronomer Vera Rubin.
After an earthquake, how long can trapped victims survive?
Most rescues happen in the 24 hours after a disaster.
Greece bets on space technology to contain wildfires in a global first
Greece has a dedicated satellite constellation that monitors for fires.
A large, harmless asteroid will zip past Earth this weekend
It'll make its closest approach Saturday morning, coming within 1.6 million miles.
Europe’s extreme heat would be impossible without climate change, scientists say
Study found heat would have been virtually impossible just five decades ago.
What to know about earthquake early warning systems
Many nations have developed systems for alerting people seconds before shaking begins.
Astronomers find biggest super-puff planets yet that are lighter than cotton candy
The two so-called super-puffs are the size of Jupiter.
Get a load of this: Humans and great apes share similar giggles
Researchers tickled 13 captive apes and recorded the results.
