NASA plans to launch the Habitable Worlds Observatory in the 2040s, a mission whose goal is “to image Earth-like planets ...

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 ...

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

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

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.

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.

When a scientific controversy or breakthrough dominates headlines, press officers and journalists often quote a handful of expertS ...

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

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