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

The complex building blocks of life can form spontaneously in space, a new lab experiment shows.

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

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...

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

3I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star. Tune in ...