Scientists report the first confirmed detection of thiepine, a complex sulfur-bearing molecule, in an interstellar cloud near the Milky Way’s center.

An interstellar object trespassing in our solar system known as 3I/ATLAS has captivated the public for months, and it's easy to see why. But as 3I/ATLAS' renown (and infamy) only continue to grow, ...

A mysterious interstellar visitor traipsing through our solar system known as 3I/ATLAS has captivated the public for months, and it's easy to see why. But as 3I/ATLAS' renown (and infamy) only ...

A 13-atom molecule containing sulfur has been discovered in interstellar space for the first time, providing insight into the origins of the chemistry of life.

"We used to think that only very simple molecules could be created in these clouds. But we have shown that this is clearly ...

Interstellar showcased a bleak future, but NASA's Artemis II mission looks to avoid a possible future for something even ...

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien technology.

Astronomers have spotted an unexpected chemical heavyweight drifting through deep space - and it may offer new clues about how life gets started. Detected near the center of the Milky Way, the ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...