The United States military’s most enigmatic spacecraft is back in orbit, and this time officials are hinting more clearly at ...

NASA's Artemis II crewed mission to the moon shows how U.S. space strategy has changed since Apollo -- and contrasts with China's closed program.

"We have stuck to a plan that does not make sense." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Former NASA administrator Michael Griffin ...

The National Reconnaissance Office just revealed the existence of its "JUMPSEAT" line of spy satellites, eight of which launched to Earth orbit between 1971 and 1987.

The Pentagon and NASA cannot be dependent on one contractor for critical operations. While the political divorce between Elon Musk and President Donald Trump earlier this summer seems to have abated, ...

NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts ...

A little more than a century ago, the US Army Air Service came up with a scheme for naming the military’s multiplying fleet of airplanes. The 1924 aircraft designation code produced memorable names ...

At an event celebrating SPACECOM’s relocation, Secretary of Defense Pete Hegseth described the move to Huntsville, Alabama as “common sense.” In September, President Donald Trump announced that the ...

Russia's space launch site in Kazakhstan was damaged on Thursday after a Soyuz mission took off with Russian cosmonauts and US astronauts onboard, Moscow's space agency Roscosmos said. Russia's space ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty ...