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

The XM1208 cluster shell, which carries nine M99 Advanced Submunitions, is designed to be fired from both the M109A6/7 ...

Every year, companies and space agencies launch hundreds of rockets into space—and that number is set to grow dramatically ...

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be ...

Overall, it has been quite a ride for the company founded nearly two decades ago in New Zealand by Peter Beck. A new book ...

Its low cost of spaceflight permitted SpaceX to underprice every other rocket company on the planet, selling Falcon 9 rides ...

The 50% off Criterion Collection sale at Barnes & Noble is in full swing and we've got suggestions for what to pick up.

Blue Origin's New Glenn rocket aced its first-ever landing last week — and even managed to stay pretty, despite the ordeal.

Port Canaveral has a newcomer. After a historic landing, Blue Origin's Jacklyn has returned with a New Glenn booster.

The soon-to-be Samuel Oschin Air and Space Center will double the amount of exhibit space at the California Science Center.

Interest in Martian life had been spurred by a now infamous announcement from the White House lawn in 1996, when President ...

Live updates from Tuesday night’s SpaceX Starlink 6-94 mission that launched a Falcon 9 rocket from Cape Canaveral Space ...