Planned moon and Mars missions require timely communications and navigation systems, which is prompting NASA officials to ...

NASA's New Horizons spacecraft made history by flying past Pluto, sending back groundbreaking data that would change our ...

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was ...

NASA faces a proposed $6 billion agency-wide funding cut by the Trump administration, including a 47% reduction of science ...

Theories about Planet Nine have been swirling for years, but this newly discovery planet might put those theories to bed for good.

NASA’s Mars Global Surveyor spacecraft beamed back images of what appear to be hearts on the surface of a neighborly planet.

FROM roiling storms, rare comets and volcanic eruptions, there is lots to see aboard the International Space Station (ISS).

Season 6, episode 5—the perfectly titled "Why We Fight"—brings an unlikely alliance that could change the fate of the galaxy.