Space News

U.S. Strategic Command agreed to share space situational awareness data with the United Arab Emirates under an agreement signed April 11 . SpaceNews.com

A team of astronomers at the Friedrich Alexander University led by Péter Németh has discovered a binary star moving nearly at the escape velocity of our galaxy. There are about two dozen so-called hypervelocity stars k...

On his flight from Andrews Air Force Base, Maryland, to Colorado to speak April 12 at the 32nd Space Symposium, U.S. Deputy Defense Secretary Bob Work spoke with SpaceNews and two other reporters. SpaceNews.com

Orbital ATK has signed Intelsat as its first customer for a revived satellite life extension program as part of the company's ambitions to create a growing market for satellite servicing for commercial and government cus...

Explore outer space and our Earth with NASA at the USA Science and Engineering Festival, April 15-17 at the Walter E. Washington Convention Center, located at 801 Mt. Vernon Place NW in Washington. NASA scientists and en...

The planet hunting telescope has resumed communication with Earth and may be able to start science research again soon --

The first human-rated expandable structure that may help inform the design of deep space habitats is set to be installed to the International Space Station Saturday, April 16. NASA Television coverage of the installation...

This week's Carnival of Space is hosted by Allen Versfeld at his Urban Astronomer blog.

Aerojet Rocketdyne's Julie Van Kleeck pitched the AR1 rocket engine to a roomful of reporters Tuesday morning as the only direct replacement for the reliable but politically polarizing Russian engine that powers the Atla...

The SpaceX Falcon 9 that triumphantly accomplished history's first upright landing of the spent first stage of a rocket on a barge at sea - after launching a critical cargo payload to orbit for NASA - sailed back into po...

A highly sensitive radio telescope has seen something peculiar in the depths of our cosmos: A group of supermassive black holes are mysteriously aligned, as if captured in a synchronized dance.

NASA's Jet Propulsion Laboratory News and Features:

With famed physicist Stephen Hawking at his side, an Internet investor announced Tuesday that he's spending $100 million on a futuristic plan to explore far outside our solar system.

You can never predict what treasure might be hiding in your own basement. We didn't know it a year ago, but it turns out that a 1917 image on an astronomical glass plate from our Carnegie Observatories' collection shows ...

Funded by Russian entrepreneur Yuri Milner and with the blessing of Stephen Hawking, Breakthrough Starshot aims to send probes to Alpha Centauri in a generation --

Plans for Earth's first starships are being announced today in New York City. At a midday press conference, Yuri Milner's Breakthrough Prize Foundation is unveiling its latest project: "Breakthrough Starshot"....

Space isn't empty. It may seem that way, when on average a cubic centimeter of the space between the stars -- a box the size of a six-sided die -- only has a single atom in it. Compare that to the Earth's atmosphere at...

The Carnegie Institute didn't know it a year ago, but it turns out that a 1917 image on an astronomical glass plate from our Carnegie Observatories' collection shows the first-ever evidence of a planetary system beyond o...

Today: SpaceX (SpX)-8 Launch, Capture and Berth: SpX-8 launched successfully at 3:43 PM CDT Friday. Capture and berthing to the Node 2 nadir port occurred on Sunday at 6:24 AM CDT, and berthing occurred approximately 3 h...

Human spaceflight and robotic exploration image of the week: ESA astronaut Tim Peake reading Yuri Gagarin's biography in space for Cosmonaut day

Tuesday's briefing begins with NASA breathing a sigh of relief as its Kepler spacecraft exits emergency mode. SpaceNews.com

Cepheids are a certain kind of star that change in brightness with regular period. This period is related to its true brightness, which means we can use them to measure distances to other galaxies.