Neptune's mysterious moon Nereid may be an original, study shows

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Plastic bags don't go in the recycling bin. What should you do instead?

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A de-extinction company has hatched live chicks from an artificial eggshell

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Climate scientists update predictions, with 2015 goal no longer plausible

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NASA's Psyche spacecraft buzzing Mars on its way to a rare metal asteroid

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Ancient teeth hint at canoodling between early human relatives

7 days ago

As drought worsens, Western states brace for wildfires, water shortages

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Small study hints that revving up immune cells might help fight HIV

8 days ago

Spiral galaxy's brilliant heart shines bright in a new picture from NASA's Webb telescope

12 days ago

New findings from La Jolla Institute for Immunology suggest a possible measles treatment

13 days ago

Antarctica's tourism boom raises concerns about contamination and disease

14 days ago

A bright moon may dim the Eta Aquarid meteor shower made up of Halley's comet debris

16 days ago

Endangered whale protections may be delayed to 2035 under Trump-blacked plan

16 days ago

Astronomers believe they've detected an atmosphere around a tiny, icy world beyond Pluto

16 days ago

Butterfly-shaped reef proposed for Oceanside sand retention project

17 days ago

Craig Venter, the San Diego biologist who co-led the sequencing of the human genome, dies at 79

20 days ago

Robot dogs with Musk and Zuckerberg heads roam around Berlin museum in Beeple's new exhibit

22 days ago

Camera trap shows Sumatra orangutan using a canopy bridge to cross a public road in Indonesia

23 days ago

Trump administration fires independent board overseeing the National Science Foundation

23 days ago

The wide-brimmed Sombrero galaxy is revealed in all its splendor by a telescope in Chile

26 days ago

Q&A: Apollo astronaut Schmitt talks about getting back to the moon and life in the universe

26 days ago

A massive kraken-like octopus may have prowled the seas during the age of dinosaurs

27 days ago

Scientists trace latest interstellar comet's home to a cold, isolated corner of the Milky Way

27 days ago

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

28 days ago

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

28 days ago

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

28 days ago

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

1 month ago

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

1 month ago

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

1 month ago

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

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

1 month ago

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

1 month ago

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

1 month ago

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

1 month ago

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

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

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

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

1 month ago

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

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

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

1 month ago

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

1 month ago

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

1 month ago

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

1 month ago

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

1 month ago

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

1 month ago

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

1 month ago

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

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

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

1 month ago

Artemis II astronauts channel Apollo 8 with a striking Earthset photo

1 month ago

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

1 month ago

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

1 month ago

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

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

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

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

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

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

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

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Artemis countdown updates: NASA launch sends moonbound astronauts to space

1 month ago

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

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

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

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

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

1 month ago

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

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

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

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

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

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

1 month ago

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

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

1 month ago

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

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

1 month ago

Nobel laureate will deliver commencement address at UC San Diego

1 month ago

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

2 months ago

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

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How common are fireballs streaking across the sky?

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Oldest known whale recording could unlock mysteries of the ocean

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Is spring really — finally — here?

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

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

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UCSD study detects dementia risk decades before symptoms appear

2 months ago

Old NASA science satellite plunges back to Earth

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

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago