(Editor's Note: The following is a press release from Sierra Nevada Corp. in regards to filing of a protest against NASA's recent CCtCap contracts to Boeing and SpaceX) Sierra Nevada Corporation (SNC)...

Dodging persistent thunderstorms that have beseiged Florida most of the summer, a Falcon 9 rocket soared into space overnight and sucessfully delivered a cargo-laden Dragon spacecraft in low Earth orbit to...

On the heels of awarding groundbreaking contracts to U.S. commercial space companies to ferry American astronauts to the International Space Station, NASA has released a request for proposals (RFP) for the...

Model of Blue Origin BE-4 engine. Photo Credit: United Launch Alliance Facing pressure to find a domestic replacement for the Russian-built RD-180 liquid fuel rocket engine that powers the Atlas V EELV,...

U.S. astronauts once again will travel to and from the International Space Station from the United States on American spacecraft under groundbreaking contracts NASA announced Tuesday. The agency unveiled its...

NASA is making steady progress on its Orion spacecraft, completing several milestones this week at NASA's Kennedy Space Center in Florida in preparation for the capsule's first trip to space in December....

A SpaceX Falcon 9 rocket thundered into orbit during the overnight hours on September 7 on a successful mission to deliver the commercial AsiaSat 6 communication satellite to orbit for Asia Satellite...

A 5-percent scale model of the Space Launch System (SLS) is ignited Aug. 28 at NASA’s Marshall Space Flight Center. Image Credit: NASA/MSFC/David Olive Engineers at NASA's Marshall Space Flight Center in...

Artist concept of NASA’s Space Launch System (SLS) 70-metric-ton configuration launching to space. SLS will be the most powerful rocket ever built for deep space missions, including to an asteroid and...

SpaceX experienced a rare but disappointing failure today when one of the company's Falcon 9R (reusable) rockets exploded during a test flight at the SpaceX facility near McGregor, TX. It is unknown if the...