Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their trajectories, according to new research.

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

By mapping areas where seismometers in southern California detected sonic booms, researchers at Johns Hopkins University and ...

The 21st century is featuring a second space age that is increasingly private.

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

For 24 hours a day, seven days a week since November 2000, NASA and its international partners have sustained a continuous human presence in low-Earth orbit, including at least one American—a streak ...

Research in space is about more than discovery. It is a strategic asset and soft power that attracts partners and supports evidence-based decisions. The past two years have seen a series of milestones ...

It’s a big universe out there—13.8 billion years old, full of hundreds of billions of star-and-planet-packed galaxies and, out past the limits of our sight, perhaps infinite in all directions. But as ...