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

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

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

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — and could wipe out life on earth. Following Tennessee Rep. Tim Burchett’s ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

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

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

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