Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Harvard astrophysicist Avi Loeb will head the UAP Science Advisory Council established by the White House, the Pentagon, the ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...