Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

Along with other recent discoveries, the new finding from Perseverance boosts the case that Mars once hosted conditions that ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

In a new paper, researchers examine the possibility of other consciousnesses that take on forms far beyond our imagination.

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

Beneath the icy silence of Antarctica's famous Dry Valleys lies a world so unusual that it often resembles another planet.

Octopuses, bees, and dogs all process information differently. Even within the narrow confines of one planet, evolution produced a wide range of nervous systems rather than a single design. A new ...

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.