Private launch companies Rocket Lab and Stoke Space have been selected to compete for future U.S. national security space launches.

Who's up for a historic late-night launch? Weather permitting, SpaceX will launch a spacecraft carrying the first people to orbit the earth's poles Monday.

Even before Spectrum's first test launch, Isar has already secured a launch contract to fly the new rocket's first commercial missions. The company announced a deal with the Norwegian Space Agency on March 12 for Isar to launch the Arctic Ocean Surveillance (AOS) program satellites by 2028.

DARPA's AtmoSense program uses Earth's atmosphere as a global sensor to detect disturbances like underground explosions and national security threats.

Who's up for a historic late-night launch? Weather permitting, SpaceX will launch a spacecraft carrying the first people to orbit the Earth's poles.

Who's up for a historic late-night launch? Weather permitting, SpaceX will launch a spacecraft carrying the first people to orbit the Earth's poles Monday.

The rocket, developed by Isar Aerospace, lifted off from Norway’s Andøya Space Center and crashed about 30 seconds later. The test flight was part of efforts to make Europe a center for private satellite launches.

A routine test turned into a surprise discovery when DARPA’s atmospheric sensors picked up something unexpected—courtesy of a falling SpaceX Falcon 9.