The number of exoplanets already discovered numbers in the thousands, and the Milky Way may harbor billions. This represents ...

A forensic analysis revealed that the meteorite is a rare CM-type carbonaceous chondrite, an ancient class of meteorites that ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Astronomers have revised the mass of nearby exoplanet GJ 3378 b, recasting it as a rocky super‑Earth in the habitable zone ...

The sci-fi movie “Disclosure Day” predicts that our reaction to intelligent alien life will be chaotic. But what does the ...

Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

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

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

Astrobiologists think extraterrestrial civilisations grow so much that they hit crisis points, missing the chance to set out ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth. While exploring an ancient river valley on Mars, the rover detected complex ...

A meteorite weighing more than 2 pounds (1 kilogram) that crashed through the roof of a New Jersey home two years ago could ...