From a half-million miles away, NASA's Europa Clipper spacecraft captured Mars with its two moons, Phobos and Deimos, in ...

The newly released images from a December flyby are so detailed that scientists can see explosions and the flow of solar winds.

The spiral galaxy M83 is captured face-on, providing a clear view of its full structure. Chandra's X-ray data reveals ...

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

After soaring skyward due east, the rocket's first-stage booster landed aboard SpaceX's drone ship Just Read the Instructions ...

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

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

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).