Scientists have found gravitational evidence of something massive lurking beyond Neptune — a planet that may be ten times the ...

The Falcon 9 rocket on Transporter-15 includes a first stage that has flown 29 times before. If all goes well, the first ...

On November 13, 1971, Mariner 9 became the first spacecraft to orbit Mars. At the time, scientists didn't know much about the ...

Transporter-15 will deliver more than 100 satellites into a sun-synchronous orbit, where each will begin its own, ...

SpaceX is set to launch 140 commercial payloads to Sun-synchronous orbit on its sixth rideshare mission of the year, ...

Blue Origin, owned by Jeff Bezos, plans to challenge SpaceX with the powerful, partially reusable New Glenn rocket.

Blue Origin's New Glenn booster rocket successfully launched its second-ever trip into space on Thursday to deploy two NASA ...

Meet HD 98800, a nearby quadruple‑star system in the constellation Crater. It sits about 150 light‑years away and is 10 million years old.

Feel what it’s like to spend just 5 seconds on the scorching planet Mercury. Democrats Concede Shutdown Fight Without Health Care Win in Hand Cleaning woman shot and killed after arriving at wrong ...

The Sentinel-6B is the second of two satellites in a $1 billion program to monitor sea levels over a full decade.

The giant New Glenn rocket from billionaire Jeff Bezos' space company Blue Origin launched from Florida on its debut mission ...

Spores of moss reportedly survived its nearly a year outside experience in space on the International Space Station and ...