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

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

Group set up by Harvard professor Avi Loeb to advise White House, Pentagon, FBI and American intelligence community on ...

The mind-bending sci-fi horror film Annihilation, starring Natalie Portman, is returning as a limited-edition SteelBook with ...

"We are essentially looking to remove all reliance on Earth's resources so that we can build a sustainable industry in space.