When scientists search for life beyond Earth, Mars usually gets most of the attention. But another world may offer an even ...

For a world to maintain an atmosphere long enough for life to gain a foothold, it seems it needs to be at least as big as ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

A new policy paper proposes a lunar biocontainment facility for extraterrestrial samples. This secure lunar laboratory would ...

A rocky world orbiting within its star’s habitable zone may be surrounded by a helium-rich atmosphere, providing the ...

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

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home planet.

A METEORITE that smashed though a roof and into a New Jersey bedroom may contain the chemical blueprints of alien life.

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

When a two-pound space rock smashed through the roof of a Hillsborough, New Jersey home on July 16, 2024, it did more than ...

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

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