Studying samples from the Bennu asteroid, researchers have found sugars essential for biology, stardust and ... something ...

Einstein's theory of general relativity views time similarly to width, height, and length. As such, both time and space can be curved by gravity. This effectively means that time is slower the closer ...

Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

The U.S. Space Force's X-37B space plane is set to launch its eighth mission from Kennedy Space Center. The mission, designated USSF-36, will focus on testing laser communications and a new navigation ...

DENVER—The US Space Force lacks the full range of space weapons China and Russia are adding to their arsenals, and military leaders say it’s time to close the gap. Gen. Chance Saltzman, the Space ...

Space Command is responsible for military operations beyond Earth's atmosphere. It's separate from the US Space Force, which is a service branch of the military – like the Army or Navy – responsible ...

A coalition of scientists and historians are floating a long-shot plan to retrieve orbiting relics—raising questions about what is space junk or space treasure. Orbital space is full of retro ...

The headquarters for U.S. Space Command will be on the move under a new decision from the Trump Administration. President Donald Trump announced Tuesday, Sept. 2, that Space Command's headquarters ...