The iconic photography festival is back for the 57th time with images of dogs, diners, UFOs and more ...

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

By looking through data from NASA’s Transiting Exoplanet Survey Satellite (TESS), researchers uncovered a planet through ...

The exoplanet telescope TESS revealed a distant world using an entirely different detection method than the one it was built ...

Observations of the fast-moving interstellar comet with the Very Large Telescope in Chile support similar observations made ...

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

Sign up to our monthly entertainment newsletter to keep up with all our coverage of the latest sci-fi and space movies, tv shows, games and books. Discover this week ...

"When TESS launched, no one expected it to ever be capable of finding this kind of planet." When you purchase through links ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

A Chinese spacecraft on a mission to collect and return samples of a near-Earth asteroid beamed back its first image of its ...