Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

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

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

For generations, the search for life beyond Earth has focused on avoiding one of science’s biggest mistakes: claiming a ...

Steven Spielberg's claims of alien visits to Earth spark debate among scientists, who stress the lack of credible evidence ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — and could wipe out life on earth. Following Tennessee Rep. Tim Burchett’s ...

Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.