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 ...

An unpublished NASA memo reportedly warns of a change in how the space agency awards contracts to build private space ...

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 ...