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.

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

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 ...

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

Interstellar comet 3I/ATLAS, first reported on July 1, 2025, has since remained a major topic of discussion, not only within the astronomers’ community but also with the general public, as rumors ...

The interstellar comet 3I/ATLAS arrived looking like a routine icy visitor and then promptly started shredding the rulebook that astronomers use to understand these objects. From its skewed tail to ...

NASA’s TESS spacecraft tracked interstellar comet 3I/ATLAS in January, capturing data on its motion, brightness, and rotation before it left the solar system ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...