Cats want to talk to us. Scientists are trying to decipher the meow

1 day ago

NASA spacecraft discovers a huge new crater on the moon

1 day ago

The T. rex had a body temperature similar to our own, study finds

1 day ago

Trump administration has cut or frozen $177 billion in grants across every state, analysis shows

2 days ago

Tijuana River sewage crisis costs region up to $503 million a year, study finds

2 days ago

Has dark matter been found? Scientists analyze signal deep underground

2 days ago

Little Mercury may be shrinking faster than scientists expected

8 days ago

A stronger-than-normal El Nino alarms scientists over Galápagos wildlife and forests

8 days ago

Artemis II moonshot commander and pilot are hanging up their astronaut suits at NASA

9 days ago

What to know about Europe's push to compete in space

9 days ago

In North Carolina, a race is on to restore critical peatland before it dries up or is destroyed

9 days ago

Nuclear microreactors on Army bases? San Diego's General Atomics is in the mix

10 days ago

With $100 worth of supplies, this Chula Vista teen just won a prestigious international science award

11 days ago

Rescue satellite gets close to NASA's doomed telescope, even if it can't save it

14 days ago

Severe erosion leaves Carlsbad's Tamarack beach slim for Labor Day weekend

14 days ago

Trump administration stalled a survey of PFAS in wastewater, former EPA officials say

14 days ago

Scientists studying cockroach milk and nose-blowing win Ig Nobel prizes for quirky science

14 days ago

A pair of spacecraft draw closer to Mercury after nearly decade-long voyage

15 days ago

Scientists find a huge 10-sided wave pattern swirling in the clouds over Saturn's south pole

15 days ago

Keeping cool saves thousands of lives yearly, but at a cost of worsening global warming, experts say

18 days ago

NASA's cosmic mystery hunter launches atop SpaceX Falcon Heavy

18 days ago

Artemis II astronauts receive nation's highest space honor for their successful moonshot

20 days ago

SpaceX recovers Starship from the Indian Ocean a month after launch and is shipping it back to Texas

20 days ago

As super El Nino strengthens, study suggests that climate change is intensifying El Ninos

21 days ago

A near-total lunar eclipse will be visible Thursday night across San Diego County

22 days ago

Heat makes emergency rooms busier. Study shows which illness and injuries rise during hot spells

22 days ago

Humid air and warm seas making it hard for people across San Diego County to fall asleep

24 days ago

Earth is simmering in its hottest water temps on record, and that's bad for fish and us

24 days ago

Near-total lunar eclipse is coming up with the Americas in prime position

24 days ago

Astronomy and space sciences are soaring right now with kids. Keeping them engaged is much harder.

28 days ago

Rescue mission is called off for NASA's aging Swift space telescope

29 days ago

What beats seeing eclipses from space? Try the northern and southern lights

29 days ago

Telescope spies the fastest star in the Milky Way zipping around a black hole

30 days ago

Before-and-after NASA images show crater carved by a SpaceX rocket that slammed into the moon

30 days ago

Flight attendants and pilots have highest risk of dying from radiation-linked cancers, study says

1 month ago

Lawrence Livermore National Laboratory using autonomous AI to quicken, broaden experimentation

1 month ago

'You see one snake, and it makes it worth it': Why SDSU students are tracking down rattlesnakes in Mission Trails

1 month ago

Radiation vest tested on NASA moonshot can cut astronauts' exposure in solar storms, study suggests

1 month ago

Looking to see the solar eclipse from North America? Here's where and when to catch a sliver

1 month ago

NASA plans to send UCSD graduate Deniz Burnham to International Space Station

1 month ago

Traditional plastic forks shed harmful microplastics. Plastic created from sugar is an alternative

1 month ago

How to spot the Perseid meteor shower, a summer light show that promises to dazzle

1 month ago

South Korean satellite captures before and after views of SpaceX rocket's moon crash

1 month ago

A Roomba for ticks? Researchers pilot remote-controlled tick prevention

1 month ago

Testing is underway on vaccines to intercept brewing colon cancer before it takes root

1 month ago

Marmots got money troubles: Research cuts lead scientists to OnlyFans

1 month ago

New images of the sun show its surface in the finest detail yet

1 month ago

Scientists are certain a wayward SpaceX rocket slammed into the moon as predicted

1 month ago

Gene-edited beagles may offer a future option for people with dog allergies

1 month ago

This summer isn't breaking heat records — yet. Wait until El Nino kicks in, scientists say

1 month ago

Sharks can hear you swimming from 100 feet away. That's not necessarily a bad thing

1 month ago

August's total solar eclipse will sweep over Spain, Iceland and Greenland

1 month ago

Big nuclear fusion project makes progress with components from San Diego's General Atomics

1 month ago

A discarded SpaceX rocket is on a high-speed collision course with the moon

1 month ago

Ancient mummy DNA provides scientific evidence that colonization brought smallpox to the Americas

1 month ago

Study suggests the threat of mold-associated illnesses may be underappreciated

1 month ago

Private mission to rescue NASA's aging telescope runs into its own trouble

1 month ago

The future of the UK's renowned Lovell radio telescope is in question after a funding cut

1 month ago

A US-Russian space crew lands safely in Kazakhstan after an 8-month stint on the ISS

1 month ago

Susumu Tonegawa, a UCSD graduate who won a Nobel Prize in medicine, dies at 86

1 month ago

Hurricane Genevieve likely to send 8- to 11-foot waves to San Diego County beaches

1 month ago

This Oceanside teen once suffered hundreds of seizures a day. Now he can walk thanks to an experimental drug.

1 month ago

American scientists see prosecutions as part of federal campaign against them

1 month ago

Why the fastest-growing Ebola outbreak in history is becoming more challenging

1 month ago

2,000 VOLUNTEERS JOIN A PAINSTAKING EFFORT TO RESTORE MASSIVE SKELETON OF PREHISTORIC PREDATOR

1 month ago

SpaceX launch sends Northrop Grumman's 2-handed rescue robot to space

1 month ago

Will vaccine boosters be necessary as measles spreads nationwide?

1 month ago

Renowned Salk Institute scientist resigns amid sexual misconduct investigation

2 months ago

SpaceX scrubs Starship launch attempt right as engines begin to light

2 months ago

What living in one of the world's hottest towns feels like

2 months ago

Faint new planet is revealed around a young star after a decade in hiding

2 months ago

An experimental Alzheimer's drug shows promise targeting a different brain protein, new study shows

2 months ago

US-Russian crew arrives at the International Space Station for 8-month mission

2 months ago

In a sweet discovery, astronomers find sugar lurking in the space between stars

2 months ago

Grants to help Scripps Research expand life-saving wastewater program

2 months ago

UCSD's Birch Aquarium drew record 603,670 guests over the past year

2 months ago

UC San Diego develops way to forecast when coastal landslides are imminent

2 months ago

New institute at UCSD aims to bring rigor to AI gold rush in health care

2 months ago

Pancreatic cancer breakthrough has big implications for early detection effort

2 months ago

Could a fertilizer breakthrough spark the next Green Revolution?

2 months ago

San Diego's General Atomics gets $20M to advance fusion energy in California

2 months ago

Last-minute launch problem delays satellite rescue mission for NASA

2 months ago

A marine heat wave caused seabird deaths off California. El Nino could worsen the die-off

2 months ago

Harvard professor with polarizing alien theories is picked to lead Trump administration UFO council

2 months ago

The largest digital camera ever built begins decade-long survey of the universe

2 months ago

After an earthquake, how long can trapped victims survive?

2 months ago

Greece bets on space technology to contain wildfires in a global first

13 days ago

A large, harmless asteroid will zip past Earth this weekend

2 months ago

Europe's extreme heat would be impossible without climate change, scientists say

2 months ago

What to know about earthquake early warning systems

2 months ago

Astronomers find biggest super-puff planets yet that are lighter than cotton candy

2 months ago

Get a load of this: Humans and great apes share similar giggles

2 months ago

UC San Diego researchers land a pair of multimillion-dollar grants

2 months ago

Sunday is the longest day of the year for half the planet. A guide to the summer solstice

2 months ago

Moores Cancer Center wins renewal of critical federal grant, overcoming criticisms of clinical trials office

3 months ago

Ancient teeth from Siberia rewrite the plague's timeline, dating back to over 5,500 years ago

3 months ago

A primer on uranium enrichment as Iran's nuclear program faces scrutiny

3 months ago

As UFOs go mainstream, the jury is out on what the existence of alien life might mean for religion

3 months ago

Climate change makes once-rare coastal floods more likely, study says

3 months ago

An ancient whale graveyard in the Indian Ocean teems with life

3 months ago