If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

Researchers have proposed a theoretical timepiece, dubbed the "CRASH Clock," which tells us how quickly satellites would ...

The subatomic particles are incredibly numerous. About 1,000 neutrinos from stars other than the sun pass through a thumbnail ...

They're called ghost particles for a reason. They're everywhere—trillions of them constantly stream through everything: our ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Explore the full archive of TIME, a century of journalism, insight, and perspective, with AI that helps you research, connect ...

There are about 15,000 satellites orbiting the Earth. Most of them, like the International Space Station and the Hubble ...

Two NATO-nation intelligence services suspect Russia is developing a new anti-satellite weapon to target Elon Musk’s Starlink ...

On New Year’s Day, Michael Nicolls, vice president of Starlink engineering at SpaceX, announced that the company will lower ...

Orbital debris stopped being an abstract risk in 2025 and briefly became a live emergency, forcing operators to scramble ...

Although it's not as famous as August's Perseids or December's Geminids, January's Quadrantids can be just as prolific. This ...