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

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

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

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

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

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

Miguel Claro took one last look at the comet as it bid farewell to Earth for the next 80,000 years. Miguel Claro is a ...

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

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

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

Clear communication is needed with retrograde Mercury causing some confusion. The New Moon on July 24 could bring a ...