Debris from an exploded telecommunications satellite is spreading across geosynchronous orbit, threatening other spacecraft in this precious region of space, an animation by a leading space ...

The head of Air Force Space Command praised the performance of a new military satellite system designed in part to scour space for potential threats. The service last year launched a pair of ...

Geosynchronous Space Situational Awareness Program (GSSAP) artist rendering. Credit: U.S. Air Force Credit: Air Force. NATIONAL HARBOR, Md. —With the recent development of the first space warfighting ...

Space Operations Command has accepted Geosynchronous Space Situational Awareness Program (GSSAP) satellites 5 and 6 as operationally capable and has presented them to United States Space Command for ...

Lighting up the overnight sky with a brilliant streak of fire, an Orbital ATK Minotaur 4 rocket, powered by a mix of new motors and decades-old stages from decommissioned ICBMs, blasted a small Air ...

The United States Air Force has launched three satellites designed to help the country keep better tabs on its valuable space assets, as well as those of other nations. The three spacecraft — two of ...

Scientists have demonstrated a capability long sought by physicists: transmitting extremely precise time signals through the air between far-flung locations at powers that are compatible with future ...

The Defense Advanced Research Projects Agency (DARPA) is preparing to transfer its Space Surveillance Telescope to Australia as part of an effort to manage the growing amount of satellite traffic in ...

The US air force will launch new satellites Wednesday to track those of other countries and counter possible threats to American spacecraft, officials said. Two satellites are due to be sent into high ...

CAPE CANAVERAL, Fla. — A pair of owl-eyed military satellites took flight Monday to a high orbit where they'll hunt for threats to fellow national security spacecraft. Air Force officials say they are ...

Last year, scientists drove up Mauna Loa volcano on Hawai’i, aimed a laser at a reflector positioned on Haleakala peak on Maui, and beamed rapid pulses of laser light through 150 kilometers of ...