Page Updated: Monday, March 31, 2025 5:55 PM ET

The San Diego Union-Tribune - Science

In research-rich San Diego, Trump cuts hit studies of HIV, domestic violence and more

1 day ago

What's in store for UCSD? With campus leaders largely mum, faculty and students are on edge

1 day ago

Eye in the sky: California spending $100M to track methane emissions with satellites

3 days ago

This new molecule could point the way to safe disposal of nuclear waste

5 days ago

Webb Space Telescope captures a star in the making and a galaxy far, far away

7 days ago

A NASA spacecraft will make another close pass of the sun

10 days ago

NASA websites no longer promote 'first woman' on the moon for Artemis

10 days ago

Venus passes between the Earth and sun this weekend — but don't count on seeing it

10 days ago

European telescope studying the dark universe unveils new images of distant galaxies

12 days ago

The spring equinox is here. What does that mean?

12 days ago

Blue Ghost lander captures stunning sunset shots on the moon before falling silent

12 days ago

EPA plans to eliminate scientific research team, could fire more than 1,000 employees

13 days ago

Boeing Starliner astronauts back on Earth after SpaceX ride home

12 days ago

WATCH: South Americans gather to observe the red 'blood moon' lunar eclipse

17 days ago

SpaceX scrubs Crew-10 launch attempt delaying trip to the space station

18 days ago

What you should know about the 'invisibility cloak,' according to the award-winning physicist who studies them

19 days ago

The US agency that monitors weather will cut another 1,000 jobs, AP sources say

20 days ago

Study says climate change will even make Earth's orbit a mess

21 days ago

Watch the moon turn red during a total lunar eclipse in March

21 days ago

UCSD neurosurgeon rallies broad national support in fight to save research funding

21 days ago

Your questions about cats and bird flu risk, answered

24 days ago

Out of the lab and into the streets, researchers and doctors rally for science against Trump cuts

24 days ago

Daylight saving time is bad for you. Here's what you can do to soften the blow

24 days ago

Private lunar lander is declared dead after landing sideways in a crater near the moon's south pole

24 days ago

SpaceX's latest Starship test flight ends with another explosion

24 days ago

First national analysis finds America's butterflies are disappearing at 'catastrophic' rate

25 days ago

2ND MOON LANDER IN A WEEK TOUCHES DOWN, BUT UNCLEAR IF STILL UPRIGHT

25 days ago

Jobs lost in every state and lifesaving cures not discovered: Possible impacts of research cuts

25 days ago

NASA powers down two instruments on twin Voyager spacecraft to save power

26 days ago

Scientists genetically engineer mice with thick hair like the extinct woolly mammoth

27 days ago

Boeing Starliner astronauts on space station near trip home with SpaceX after 9 months

27 days ago

Robots and experiments spark inspiration at San Diego Festival of Science and Engineering

29 days ago

Clouds could make it hard to see 'parade of planets' from San Diego on Friday evening

1 month ago

Asteroid 2024 YR4 is no longer a threat to Earth, scientists say

1 month ago

Every planet of our solar system is lining up in the February night sky

1 month ago

Huge cuts in National Institutes of Health research funding go before a federal judge

1 month ago

UC San Diego, bracing for more than $200M in funding cuts, freezes faculty hiring

1 month ago

San Diego State University joins Harvard, Caltech and UCSD on list of nation's elite research schools

1 month ago

Federal health agencies restore webpages and datasets following judge's order

1 month ago

NASA's 2 stuck astronauts may return to Earth sooner under new plan

1 month ago

Space telescope spots rare 'Einstein ring' of light around galaxy in our cosmic neighborhood

1 month ago

HIV infections could jump over 6 times if US support is dropped and not replaced, UNAIDS chief says

1 month ago

What's it like to use Elon Musk's brain chip? How does it work? 'Like using the Force'

1 month ago

Telescopes spy a monster radio jet streaming from a bright and early object in the universe

1 month ago

Torrey Pines research campus trades hands for $159M

1 month ago

Jeff Bezos' Blue Origin mimics the moon's gravity for NASA experiments during spaceflight

1 month ago

How an ancient asteroid strike carved out 2 grand canyons on the moon

1 month ago

Trump administration's data deletions set off 'a mad scramble,' researcher says

1 month ago

Newly spotted asteroid has a tiny chance of hitting Earth in 2032

2 months ago

NASA's 2 stuck astronauts take their first spacewalk together

2 months ago

Are we all aliens? NASA's returned asteroid samples hold the ingredients of life from a watery world

2 months ago

Scientists detect chirping cosmic waves in an unexpected part of space

2 months ago

SpaceX catches its Starship rocket back at the launch pad, but the spacecraft is destroyed

2 months ago

NASA's stuck astronaut steps out on a spacewalk after 7 months in orbit

2 months ago

Jeff Bezos' New Glenn rocket reaches orbit on first test flight

2 months ago

Navy names ship after famed San Diego State University alum Don Walsh

2 months ago

Jeff Bezos' space company calls off debut launch of massive new rocket in final minutes of countdown

2 months ago

Biden climate adviser says California wildfires show 'you have to take the science seriously'

2 months ago

Earth records hottest year ever in 2024 and the jump was so big it breached a key threshold

2 months ago

It's not really the typical time for nasty California fires. What are the factors that changed that?

2 months ago

What are California's Santa Ana winds?

2 months ago

Staying safe in a wildfire: What to pack and when to evacuate

2 months ago

Why more frequent cold blasts could be coming from global warming

2 months ago

How to catch the Quadrantids, the first meteor shower of 2025

3 months ago

NASA's Parker Solar Probe survives close brush with the sun's scorching surface

3 months ago

This week, hunt for sea stars along the coast — and help make community science 'a success story.' Here's how.

3 months ago

How worrisome is a winter storm? Thanks to UCSD's atmospheric river research, there's a scale for that.

3 months ago

The last meteor shower of the year peaks a few days before Christmas

3 months ago

NASA's stuck astronauts hit 6 months in space. Just 2 more to go

3 months ago

Northern lights may be faintly visible across parts of the US this Thanksgiving

4 months ago

Trump chooses controversial Stanford professor Dr. Jay Bhattacharya to lead NIH

4 months ago

UCSD ranks 10th on list of world's most influential researchers, slipping 3 spots

4 months ago

California raw milk recalled after positive test for bird flu virus

4 months ago

US towns plunge into debates about fluoride in water

4 months ago

H5N1 bird flu detected in Bay Area child, California's first case confirmed outside farms

4 months ago

Darlene Shiley pledges record $75 million to University of San Diego for STEM

4 months ago

King tides have returned to the San Diego coast. But are they really as royal as their name implies?

4 months ago

Joanne Chory, Salk plant biologist who found ways to blunt impacts of climate change, dies at 69

4 months ago

The Leonid meteor shower peaks as the supermoon wanes

4 months ago

Can America heal after the election? Clergy, researchers tackle political anxiety and toxic polarization

4 months ago

When to catch the last supermoon of the year

4 months ago

In new term, Trump set to go after measures that are doing the most to fight climate change

4 months ago

San Diego's General Atomics passes a milestone. Can nuclear fusion energy become a reality?

5 months ago

Astronaut Matthew Dominick, a University of San Diego grad, returns to Earth from International Space Station

5 months ago

NASA astronaut hospitalized after SpaceX Crew-8 splashdown return off coast of Florida

5 months ago

October's supermoon pairs with a comet for a special nighttime spectacle

5 months ago

AI is having its Nobel moment. Do scientists need the tech industry to sustain it?

5 months ago

Climate change boosted Helene's deadly rain and wind and scientists say same is likely for Milton

5 months ago

Nobel Prize in chemistry honors 3 scientists who used AI to design proteins – life's building blocks

5 months ago

Looking up at the stars and seeing ourselves, San Diego artist wants to share astronomy with his community

5 months ago

UC San Diego buoys dropped in path of Hurricane Helene grab treasure trove of data

6 months ago

SDSU is betting $80 million it can become a key player in the lithium industry

6 months ago

UC San Diego gets $10 million to study how climate change affects marine animals

6 months ago

University of San Diego graduate will travel to International Space Station

7 months ago

Can dogs 'talk' to humans? A UC San Diego study offers an intriguing clue

7 months ago

Photos: August's supermoon is the first of four lunar spectacles

7 months ago

San Diego State University develops Midas touch in competing for research money

7 months ago

Snorkelers found a rare deep-sea fish off La Jolla. It took 'a community effort' to haul it to shore to study.

7 months ago

4.4 quake in Los Angeles lightly shakes northern San Diego County

7 months ago

Elegant terns make their home at small Mission Bay island

7 months ago