On Dec. 16, 1962, NASA launched the Explorer 16 spacecraft to study micrometeoroids near Earth. [‘On This Day in Space’ Video Series on Space.com] The mission would determine how likely it would be ...

Out in the depths of space, in our solar system and beyond, there exist a vast variety of worlds. There are gas giant planets bigger than Jupiter, and extremely hot planets that orbit so close to ...

On April 27, 1961, NASA launched Explorer 11, a satellite that contained the first gamma ray telescope to go to space. This marked the birth of space-based gamma ray astronomy. Gamma rays are a form ...

The new initiative, sponsored by the NASA Education Enterprise in collaboration with the National Science Teachers Association, establishes a three-year partnership between NASA and the 50 NASA ...