Proposed U.S. space defenses against hypersonic nuclear missiles are unnecessary, impractical and would trigger a dangerous ...

Here are today's general risks from asteroids or comets both tiny and very large. Importantly, even relatively small rocks ...

For the first time ever, SpaceX launched a rocket into space from Florida and landed the booster the Bahamas, allowing for ...

An asteroid between about 130 and 300 ft. (40 and 90 meters) in diameter has been given a 2.3% chance of it hitting Earth on ...

Past test firings of the GEM-63XL lasted approximately 90 seconds and produced a thrust close to 450,000 lbs. This test would ...

Called the Lévy walk (or in some cases the Lévy flight) after mathematician Paul Lévy, it is a type of random wandering that ...

Despite all these technological advances, a supersonic aircraft still cannot beat physics. Shock waves, and their associated ...

The Space Force would not confirm a target launch date for the mission, but its fiscal 2025 budget set late 2025 or 2026 as ...

Scientists refine estimates, but can't yet rule out an impact The latest figures from the European Space Agency (ESA) on the ...

Live updates from Tuesday’s SpaceX Starlink 10-12 mission that launched a Falcon 9 rocket from Cape Canaveral with a booster landing in the Bahamas.

A Falcon 9 rocket launched 21 of the company's Starlink broadband satellites to orbit early this morning (Feb. 15), rising ...