At Davos, the billionaire said his belief that "it might only be us" in the cosmos drives Tesla, SpaceX, and his vision for ...

Guan Heng, who exposed human rights abuses in his native China, has been in U.S. custody since being swept up in an immigration enforcement operation in August.

Mark Ruffalo says Hulk won’t appear in 'Avengers: Doomsday' but he is open to returning to the role. Chris Pratt is eager for Star-Lord’s return, bluntly stating he'll be back and jumping onboard with ...

In Pluribus, the frontier isn’t space but Earth, raising the question of whether humanity has earned the right to boldly ...

For decades, science fiction treated alien planets like Earth with a different paint job. This video shows how real exoplanet discoveries changed that, forcing writers to imagine harsher climates, ...

As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the Orion spacecraft’s heat shield.