A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow the search for potentially habitable planets beyond Earth.

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

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

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 ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists ...

Many have watched recently released UFO videos, but most still think the government knows more than it is saying.

Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...

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