Astronomers believe they've discovered some of the universe's earliest stars, located about 13 billion light-years from Earth ...

We still don't know whether aliens - in the pop culture sense - exist, but it's becoming harder to ignore that life on Earth ...

An American startup has come up with a surprisingly simple tool to solve one of space’s most complex challenges.TransAstra, ...

For the first time, astronomers unveiled the shape of a supernova at its earliest stage.

Is the viral 3I/Atlas leaked photo real or fake? A clear fact check on its origin, what NASA data show, why basic optics say no, and how social media fueled the debate.

John Osburn worked on the Hubble Space Telescope as a subcontractor. Now, he owns a tree house that attracts people from ...

Astronomers have for the first time detected a coronal mass ejection from another star, shedding light on worlds orbiting red ...

For North America, the best time to look will be before dawn on Tuesday, Nov. 18. Probably the most famous of the annual ...

Just after sunset, Saturn hangs in the southern sky, a warm, steady point of light that’s easy to spot even from the backyard ...

I/Atlas is brightening, turning blue and emitting a radio signal, but scientists say its path misses Earth by a wide margin and it poses no threat to humans.

Ground-based telescopes detect these emissions, but an intriguing issue arises when the high-energy gamma rays scatter off background light, creating cascades of electron-positron pairs. Surprisingly, ...

The government shutdown is over. But hundreds of thousands of federal workers are coming back after 43 days to anything but ...