Ever wondered what it takes to train for a space mission to ensure a healthy ride? Astronauts undergo rigorous medical, ...

A breathtaking flyover of nearly every United States Air Force fighter and bomber jet soared during a Florida air show Saturday, stunning footage of the historic aerial display showed. Seven of ...

Learn the key differences between centripetal and centrifugal forces, their real-world applications in physics, and how they shape our understanding of circular motion.

Concerns about Marine 'rules of force' Some of the Marines deployed to Los Angeles will provide security and transportation for ICE personnel as they conduct operations.

But since the Space Force’s establishment in 2019, the boundaries have blurred between the newest military service and the intelligence community on space-based commercial data acquisition.

Story updated April 3 with additional details of Northrop Grumman’s satellite refueling program. WASHINGTON — The U.S. Space Force is preparing a series of experiments to test in-space ...

Highlighting the need for people to know and feel loved by God, the 88-year-old pope encouraged Christians to be open to receiving God’s love, “a force that sets love in motion,” and, like ...

Muscle articles from across Nature Portfolio. Atom; RSS Feed; Definition. Muscle is a soft tissue composed of elongated cells (muscle fibres) that produce force and motion through contraction.