The recent detection of potential signs of ancient microbial life on Mars by NASA’s Perseverance rover has sparked renewed ...

Scientists found new evidence to strengthen the case that Enceladus, small moon of Saturn about 310 miles wide, may have conditions suitable for life.

Tiny life forms adrift in alien skies might one day expose themselves through the faintest play of light. A new study ...

A new study used mathematical formulas and demonstrated that it’s highly unlikely life began on Earth. Instead, the researcher points to panspermia, a theory that life or the ingredients for life came ...

Two spacecraft are on course for 3I/ATLAS, a mysterious interstellar object that some believe could be an alien mothership.

NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a ...

Scientists have been searching for radio signals from hypothetical alien civilizations using radio telescopes for decades.

Scientists simulated the conditions of Mars in a lab to observe how blocks of carbon dioxide "dug" their way through the ...

About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

But now one NASA scientist has suggested that extraterrestrials might not be able to visit our little corner of the galaxy ...

The evidence that an ocean-covered moon orbiting around Saturn could support life just got a little stronger. Enceladus, a small moon harboring a vast ocean beneath its icy surface, has long been ...