Artist's rendering of a potentially habitable super-Earth orbiting a star called HD 20794.Illustration credit: Gabriel Pérez Díaz, SMM (IAC) The ...

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Private citizens and companies may one day begin to permanently settle outer space and celestial bodies. But if we don’t enact governing laws in the meantime, space settlers may face legal chaos.

“US needs to be ready to do more than protect and defend in outer space. Stories about playing defense are stories about losing,” the defense official said. The US, Russia and China are all ...

America at large, following the moon landing, suffered a massive outer-space hangover/letdown, where it suddenly seemed as if we’d shot our wad of exploration, and we all somehow knew that ...

Astrophysicist Paul Sutter talks about the science behind "Three Body Problem," "Interstellar," and "Avengers: Infinity War." ...

Satellites connect people around the world but they also interfere with astronomers’ views of the cosmos. There are ways to ...

The European Space Agency’s “dark universe detective” discovered millions of new galaxies and offers potential clues about dark matter Sara Hashemi The trailblazing Harvard scientist ...

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed ...