Interstellar Technologies is investigating the failure of its Momo suborbital sounding rocket, which blew up immediately after liftoff on its second flight.

Facebook is shuttering the development of its solar-powered Aquila flying-wing high-altitude pseudo-satellite (HAPS) unmanned system.

The U.S. Missile Defense Agency is pursuing missile defense sensors to address one of the primary threats facing the nation: hypersonic missiles.

NASA’s interest in leading a Mars sample return mission with international partnerships has struck a chord.

When it comes to investing in space-related businesses, companies often have been reluctant to pursue what they perceive to be big risks. But the organizers of a new study on the size of the space market think change is coming.

Retired NASA astronauts Eileen Collins, Terry Virts and Scott Parazynski want those who follow them to succeed.

President Donald Trump on June 18 directed the Pentagon to establish a “Space Force” as a sixth branch of the U.S. armed forces.

NASA astronauts have installed two high-def cameras outside the ISS's U.S. segment that will monitor the agency’s Commercial Crew Program spacecraft.