3I/ATLAS

Astronomy

It became too easy to shout ‘aliens’, so SETI changed its rules

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial Intelligence (SETI) committee has significantly revised the protocols governing how scientists “evaluate, verify, and announce evidence of extraterrestrial intelligence.”
Astronomy

Alien comet’s chemistry unlike anything seen in our Solar System

It’s not often that we get guests. So when the interstellar intruder 3I/ATLAS came zooming through our Solar System last year, it provided astronomers with a perfect opportunity to study a rock from another part of the galaxy.