Will vaccine boosters be necessary as measles spreads nationwide?

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Renowned Salk Institute scientist resigns amid sexual misconduct investigation

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SpaceX scrubs Starship launch attempt right as engines begin to light

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

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

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

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

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

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Grants to help Scripps Research expand life-saving wastewater program

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

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

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

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Pancreatic cancer breakthrough has big implications for early detection effort

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Could a fertilizer breakthrough spark the next Green Revolution?

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

16 days ago

Last-minute launch problem delays satellite rescue mission for NASA

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

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

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

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After an earthquake, how long can trapped victims survive?

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

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A large, harmless asteroid will zip past Earth this weekend

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

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What to know about earthquake early warning systems

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

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

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

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

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

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

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

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

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

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An ancient whale graveyard in the Indian Ocean teems with life

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Former MCAS Miramar pilot named to crew of Artemis III space mission

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NASA unveils 4 astronauts to fly on Artemis III mission

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MIT researchers channel AI to turn hand gestures into robot training data

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SDG&E, Qualcomm and Scripps team up to curb wildfires and extreme weather with AI

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Energy Department says advanced nuclear reactor first to reach critical milestone

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Space Station astronauts halt shelter plans as Russia's repair job on hold for worsening cracks, NASA says

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Wildfires are making the US smoggy again, reversing progress on cleaner air, study finds

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Tools to fight hantavirus show promise despite limited funding. Now researchers hope to continue

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Radio scans find no alien tech from the latest interstellar comet

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A diet of royal jelly isn't the only thing that makes a queen bee

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NASA declares its Mars Maven spacecraft dead after six months of silence

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Scientists lose critical climate record as ocean observatory will go dark under Trump funding cuts

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Despite explosion, Blue Origin CEO says New Glenn will fly before end of year

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Hawaii's Kilauea sets record for lava fountaining episodes in any 1 eruption for the volcano

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SeaWorld's Dottie the dolphin dies at age 39

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A robot is helping an ailing couple stay in their home. Are more to come for an aging population?

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NASA's moon plans take hit with Blue Origin explosion

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Watch: Blue Origin New Glenn rocket explodes on Cape Canaveral launch pad during test

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Pigeons may be navigating with their liver, study suggests

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A rare blue micromoon rises this weekend

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Experimental hepatitis B drug may offer 'functional cure' for some patients

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SpaceX's Starship rockets are grounded pending investigation after test flight

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A warmer world creates bigger and more damaging hailstones, study says

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No FAA 'mishap' declaration yet on SpaceX Starship booster anomaly

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NASA lays out moon base plans with landers, buggies and drones at the top of the list

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SpaceX launches its biggest, most beefed-up Starship yet on a test flight

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SpaceX tries to launch a bigger version of Starship but hits a series of last-minute problems

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Dying star resembles a billowing crystal ball in new telescope photo

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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

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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

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

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

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Antarctica's tourism boom raises concerns about contamination and disease

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

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

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

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Butterfly-shaped reef proposed for Oceanside sand retention project

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

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

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

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Trump administration fires independent board overseeing the National Science Foundation

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

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

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

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

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

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

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

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

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

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

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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

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

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

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

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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

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