Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires ...

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

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

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

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

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

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

This video explores what alien life might actually look like if evolution, physics, and planetary environments are allowed to ...

We are not alone. RadarOnline.com can reveal four distinct alien life forms have been recovered from crashed UFOs, according to a former CIA-funded researcher. "People who have been involved in ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.