Interstellar comet 3I/ATLAS is not an alien spacecraft
Digest more
BBC Sky at Night Magazine on MSN
What would aliens really look like? Here's what the science says. And no, it's not little green men.
We talk to astronomer Professor Jon Willis about what form alien life may take based on evidence we find on Earth
Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.
The question of whether aliens exist is not a new one. In science fiction films and books, people have wondered if we’re the only life in this universe and what that can imply for universes beyond ours. There has to be, right? It can’t just be us?