I’ve grown up with rockets that burn chemical fuel, but NASA’s next big leap in propulsion could make those engines look as ...

Portal Space Systems, a startup out of Bothell, Washington, is aiming to tackle a challenge that’s been plaguing the space ...

To reach Earth’s closest star system, Alpha Centauri, scientists are building a laser-powered spacecraft. To pull off ...

The former, and possibly future, nominee for the space agency said he did not intend for the document’s public release.

We’ve mastered launching satellites, but it’s the way these satellites connect to Earth—and to each other—that will determine ...