Donald Trump has said a proposal to end Russia's war in Ukraine has been "fine-tuned" and announced he's sending his special ...

Yolo County has been caught releasing global warming gases by a new surveillance satellite orbiting above Earth.

If findings are correct, astronomer Tomonori Totani told Newsweek, this may finally solve "the greatest mystery in cosmology.

Hypersonic missiles fly faster than Mach 5, maneuver unpredictably, and often appear late on traditional radars, leaving ...

Russia recently launched a set of undisclosed classified satellites from the Plesetsk Cosmodrome, with the exact number and ...

A stable telemetry connection has been established and maintained with the spacecraft, and their onboard systems are functioning normally ...

Portal Space Systems and its CEO, Jeff Thornburg, aim to commercialize a decades-old spaceflight concept called solar thermal ...

BlackSky was the confidential customer for the latest Rocket Lab launch, placing into orbit a satellite that has already ...

Californians may spot a Falcon 9 rocket launch the day before (or after) Thanksgiving as SpaceX attempts a rideshare mission ...

China launched the Shenzhou-22 mission in just 16 days, after a cracked window on the Shenzhou-20 return capsule raised ...

An accidental keystroke by a Canadian amateur astronomer has exposed one of America’s most secretive space programs, raising ...