As NASA and SpaceX pivot toward speeding astronauts to Mars, U.S. scientists are testing technologies that could transform ...

As he retreats from Washington, Elon Musk says he will spend “a lot less” on politics. Close advisers say he is eager to ...

A U.K.-based space propulsion startup has unveiled an ambitious concept for a nuclear fusion rocket that may dramatically ...

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest ...

NASA scientists discovered water under Mars's surface, which was previously thought to not exist after a solar wind stripped ...

A decade after the release of "The Martian" and a decade out from the world it envisions, how close is reality to fiction?

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.

NASA's Curiosity rover has captured a stunning panoramic video from Mars, revealing an Earth-like landscape within Gale ...