Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Imagine finding hundreds of alligators living happily in Colorado, which is thousands of miles away from any natural swamp.

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

Investigators have now identified human remains first discovered 28 years ago during a manhunt in a remote part of a Utah ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Could Martian mudstones be holding evidence of ancient microbes? New findings strengthen the case that the Red Planet once ...