The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

A new book details the turn-of-the-century Mars craze It’s not aliens. It’s never aliens. Claims of extraterrestrial life are so common that experts now have this cheeky retort at the ready. In The ...

The search for alien life just got more exciting. NASA’s Perseverance rover, which has been exploring Mars since 2021, has discovered rock samples that could be the most convincing evidence yet of ...

An alien doorway on Mars, as captured by Mast Camera (Mastcam) onboard NASA's Mars rover Curiosity on Sol 3466 (image courtesy NASA) Scientists and David Bowie have all famously wondered if there is ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...