An unpublished NASA memo reportedly warns of a change in how the space agency awards contracts to build private space ...

Two colossal plasma fountains tore away from the sun in a breathtaking double blast, one of the most impressive eruptions this solar cycle.

The X-37B has launched atop multiple rockets from different providers. The spaceplane’s first four flights, starting in 2010, were launched atop an Atlas V 501, configured with a five-meter fairing ...

The "black moon," a rare phenomenon that occurs during a new moon phase of the lunar cycle, will occur this weekend. But don't get your hopes up too much, scientists say, because it will be ...

Organizers behind the Correct The Map campaign say the Mercator map's shrinking of Africa minimizes the continent's global influence — and is just plain inaccurate.