For more than a century, gravity has been the immovable backdrop of modern physics, a force that can be described and ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

An ex-NASA engineer claims he built an engine that can beat gravity, and the story is turning heads fast. This video dives ...

HELSINKI — Chinese commercial launch firm Orienspace is aiming for a late 2025 debut of its Gravity-2 rocket following a recent first-stage engine hot fire test. Orienspace announced July 8 that it ...

For astronauts to go on long missions to the moon or Mars, they need a refrigerator. But today’s fridges aren’t designed to work in zero gravity or upside down if oriented that way when a spacecraft ...