New study finds 'alarming' high flood risk for 17 million Americans on Atlantic and Gulf coasts

17 hours ago

In race to prep for Artemis III, rocket's core stage on way to Kennedy Space Center

16 hours ago

Researchers have spent decades breeding better potatoes for chips, and their work isn't done

20 hours ago

Blue Origin's New Glenn rocket is grounded after launching satellite into the wrong orbit

2 days ago

The Lyrid meteor shower is visible now and peaking soon. Here's how to spot it

2 days ago

Wildfires used to 'go to sleep' at night. Climate change has them burning overtime

5 days ago

Artemis II astronauts praise their moonship's performance, especially the heat shield

6 days ago

Astronomers measure the mind-blowing power and speed of black hole jets for the first time

6 days ago

NASA already has next Artemis flight in its sights following astronauts' triumphant moon flyby

9 days ago

'It's not just about the stars:' International Dark Sky Week in San Diego is a celebration of the night sky

9 days ago

Salk scientist to lead $41 million effort to control cells with sound

10 days ago

Nearly a century of wondering: The American UFO saga, in reality and in fiction

10 days ago

As Trump orders UFO data released, a question hangs: If aliens exist, what would they think of us?

10 days ago

Two venerable San Diego institutions combine forces to seek faster gains in wildlife conservation

12 days ago

San Diegans gather at watch parties, along shoreline to glimpse Artemis II splashdown off coast

12 days ago

Worsening ocean heat waves are 'supercharging' hurricane damage, study finds

12 days ago

Climate change is outpacing evolution. Scientists are using DNA to catch up

12 days ago

Artemis II splashdown in San Diego: How to stream, weather and more

9 days ago

Artemis II astronauts return from moon with a splashdown to close out a record-breaking lunar voyage

12 days ago

Video: 'Future Oceans,' a look at San Diego County's marine protected areas

12 days ago

Artemis II astronauts describe their lunar voyage as surreal and profound ahead of Earth return

13 days ago

Artemis II re-entry may cause sonic boom along San Diego County coast

12 days ago

Scientists say the world's oldest octopus fossil isn't an octopus after all

13 days ago

Ahead of Artemis II's finale here Friday, here are 7 San Diego County NASA connections to know

14 days ago

Artemis II astronauts follow Apollo tradition of naming lunar features after loved ones

14 days ago

'Climate change is kicking our butts.' March smashes heat records for continental US

14 days ago

Artemis II astronauts make long-distance call to the space station as they head home from the moon

15 days ago

Artemis II astronauts channel Apollo 8 with a striking Earthset photo

15 days ago

San Diego scientists are uncovering Baja's mysterious creatures. Their new research shows there's still a lot to learn.

16 days ago

Artemis II sails through trip around the moon after surpassing Apollo 13's distance record

16 days ago

Artemis II's moonbound astronauts capture Earth's brilliant blue beauty as they leave it behind

19 days ago

How we came to be: Scientists get first look at the evolution of early complex animals

20 days ago

How a seabird native to Hawaii has adapted to life in Honolulu's concrete jungle

20 days ago

To fix a patient's irregular heartbeat, doctors first tested its digital 'twin'

20 days ago

NASA's No. 1 priority: Artemis II toilet fixed before trip to moon

20 days ago

What you need to know about desalination, a growing source of drinking water

21 days ago

Warming winters lead to more nitrate pollution in the drinking water near farms

21 days ago

Artemis countdown updates: NASA launch sends moonbound astronauts to space

21 days ago

Artemis II astronauts bound for moon after rocketing away on NASA's first lunar voyage in decades

21 days ago

Scientific review finds e-cigarettes likely cause lung and oral cancer

22 days ago

Moon rocket and weather are on NASA's side for the first astronaut launch in decades

22 days ago

NASA is shooting for the moon. A guide to the Artemis II mission

22 days ago

In wrangling dark matter, some scientists find inspiration in the Torah, Krishna and Christ

23 days ago

NASA begins the countdown for humanity's first launch to the moon in 53 years

23 days ago

Apollo's impatient old-timers are rooting for NASA's return to the moon with Artemis II launch

23 days ago

He suddenly couldn't speak in space. NASA astronaut says his medical scare remains a mystery

26 days ago

The sea beneath Arctic and Antarctic ice holds many secrets. These scientists dive deep to find out

26 days ago

Scientists captured female sperm whales on video working together during a birth to protect the calf

27 days ago

A 3-limbed Kemp's ridley sea turtle is now being tracked at sea by satellite

27 days ago

Moon base, Mars helicopters, nuclear-powered spacecraft among future plans rolled out by NASA

28 days ago

New studies of old dogs help scientists understand where they came from

28 days ago

World Food Prize goes to food safety scientist for preventing millions of cases of foodborne illness

28 days ago

Geneva's CERN hails delicate test on transporting antimatter as a scientific success

29 days ago

Nobel laureate will deliver commencement address at UC San Diego

30 days ago

New study challenges a site that's key to how humans got to the Americas

1 month ago

RFK Jr. makes food sound like a miracle drug. Researchers say he often overstates the science

1 month ago

How common are fireballs streaking across the sky?

1 month ago

Oldest known whale recording could unlock mysteries of the ocean

1 month ago

Is spring really — finally — here?

1 month ago

Six federal scientists run out by Trump discuss the work left undone

1 month ago

NASA clears its Artemis moon rocket for an April launch with four astronauts following repairs

1 month ago

UCSD study detects dementia risk decades before symptoms appear

1 month ago

Old NASA science satellite plunges back to Earth

1 month ago

King penguins are the rare species benefiting from a warming world. But that could change

1 month ago

UCSD professors wanted money to research telepathy. They turned to Jeffrey Epstein.

1 month ago

Spacecraft's impact changed asteroid's orbit around the sun in a save-the-Earth test, study finds

1 month ago

Heat waves that spark damaging droughts are happening more frequently, study finds

1 month ago

No chance asteroid will slam into the moon in 2032, NASA says

1 month ago

NASA revamps Artemis moon landing program to reduce flight gaps and risk

1 month ago

A total lunar eclipse will turn the moon blood red on Tuesday across several continents

1 month ago

Cloudy weather might prevent people in San Diego County from seeing planets align in sky Saturday

1 month ago

NASA's Mike Fincke identifies himself as the ailing astronaut who prompted space station evacuation

1 month ago

The surprising complexity behind the squeak of basketball shoes on hardwood floors

1 month ago

Swirling beauty of the Milky Way galaxy's heart is captured in a new telescope picture

1 month ago

NASA moves its Artemis II moon rocket off the launch pad for more repairs

1 month ago

NASA will return its moon rocket to the hangar for more repairs before astronauts strap in

1 month ago

A horse's neigh may be unique in the animal kingdom. Now scientists know how they do it

1 month ago

6 planets will parade across the night sky at the end of February

1 month ago

Worms, wounds and outer space: Meet the San Diego high schooler headed to a prestigious science contest

2 months ago

NASA boss blasts Boeing and space agency managers for Starliner's botched astronaut flight

2 months ago

NASA conducts second rocket fueling test that will decide when Artemis astronauts head to the moon

2 months ago

Surprise shark caught on camera for first time in Antarctica's near-freezing deep

2 months ago

Moderna says the FDA will consider its new flu shot after resolving a public dispute

2 months ago

NASA hopes fuel leaks are fixed as it launches another countdown test for the Artemis II moonshot

2 months ago

To aficionados, fungi are freaky, mystical and overlooked. They're helping scientists learn more

2 months ago

A California photographer is on a quest to photograph hundreds of native bees

2 months ago

A 'ring of fire' solar eclipse will dazzle people and penguins in Antarctica

2 months ago

UC San Diego graduate Jessica Meir en route to the International Space Station

2 months ago

New astronauts launch to the International Space Station after medical evacuation

2 months ago

Trump's EPA revokes scientific finding that underpinned US fight against climate change

2 months ago

RFK Jr. pledged more transparency. Here's what the public doesn't know anymore

2 months ago

Collar cams offer a bear's eye view into the lives of grizzlies on Alaska's desolate North Slope

2 months ago

NASA delays astronauts' lunar trip until March after hydrogen leaks mar fueling test

2 months ago

NASA hit by fuel leaks during a practice countdown of the moon rocket that will fly with astronauts

2 months ago

NASA delays the first Artemis moonshot with astronauts because of extreme cold at the launch site

2 months ago

It's one storm after another for much of the US, but the next one's path is uncertain

2 months ago

Video shows flames flying from NASA plane that touched down without landing gear

2 months ago

Frost quakes cause loud booms, light shaking when bitterly cold temperatures persist

2 months ago

Mysterious dark matter may be better understood through a new map of far-off galaxies

2 months ago

Astronauts say space station's ultrasound machine was critical during medical crisis

3 months ago