After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the interplanetary environment for two more years. But by the end of 1967, the spacecraft ...

Now, NASA has released remarkable video captured during the historic flyby, offering the closest views of the sun ever ...

With Trump’s new budget cutting NASA science programs, the Mars Sample Return mission could be replaced by a private-sector ...

Earth has rarely looked as remarkable as it does in this stunning shot (above) captured by NASA astronaut Don Pettit from the International Space Station (ISS).

The Laser Interferometer Gravitational-wave Observatory (LIGO) achieved a historic milestone by making the first direct detection of gravitational waves in 2015. It originated from a black hole merger ...