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 ...

Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just ...

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

An ocean world that’s teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that suggest the presence of artificial light sources on a distant exoplanet. The ...

Spots were speculated to be everything from alien cities to geysers. — -- Scientists have finally cracked the mystery of the unexplained lights on the dwarf planet Ceres that were speculated to ...

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being greeted with both... Are there signs of life on alien planet K2-18b, or is ...