Private spacecraft falls back to Earth after failing to rescue aging NASA telescope
NASA's Swift Observatory is expected to follow in early November.
Science
Ancient fossils unearthed at San Diego County construction site could be a ‘thunder beast’
Remains found of what could be a mammal that lived about 45 million years ago.
Day and night get equal billing on Tuesday. A guide to the fall equinox
Equinoxes are the only times when the north and south poles are lit by sunshine...
Cats want to talk to us. Scientists are trying to decipher the meow
Cats, it turns out, are conversationalists.
NASA spacecraft discovers a huge new crater on the moon
The crater is bigger than the Roman Colosseum.
The T. rex had a body temperature similar to our own, study finds
The knowledge can help scientists piece together how the dinosaur might have lived.
Trump administration has cut or frozen $177 billion in grants across every state, analysis shows
Health, nutrition, the environment and disaster relief make up the largest share of the cuts.
Has dark matter been found? Scientists analyze signal deep underground
A single unexplained particle interaction has Bay Area scientists investigating a tantalizing possibility.
Little Mercury may be shrinking faster than scientists expected
The shrinkage represents a loss in diameter of as much as 14 miles.
Lafayette’s 13th Annual World Migratory Birds Festival returns this week
Lafayette's 13th Annual World Migratory Birds Festival will return with this year's theme, “Every Bird...
A stronger-than-normal El Nino alarms scientists over Galápagos wildlife and forests
They warn it could impact the unique flora and fauna of the Galápagos Islands.
Artemis II moonshot commander and pilot are hanging up their astronaut suits at NASA
The two NASA astronauts who led the Artemis II moonshot are leaving spaceflight behind.
What to know about Europe’s push to compete in space
A two-day International Space Summit started Wednesday.
