Sierra Space's Dream Chaser spaceplane is facing an identity crisis after NASA changed contract terms to remove its guarantee to buy cargo flights to the ISS.

Sierra Space Corp. suffered a fresh setback after NASA revised plans to send the company’s spacecraft to the International Space Station.

What happens to NASA and its operations in Florida during the government shutdown? Will rocket launches be delayed? Is Kennedy Space Center open?

Discover the largest man-made object in space, the International Space Station (ISS), which was built in pieces, launched, and then assembled in orbit. This video has been dubbed in over 20 languages; ...

NASA is not immune to the effects of a government shutdown if congressional leaders fail to reach an agreement before midnight Oct. 1 to prevent one.

After LAX takeoff, NASA astronaut Anne McClain spotted a SpaceX Falcon 9 rocket launch after liftoff in California − from her airplane window seat.

Sierra Space had been looking to join SpaceX and Northrop Grumman as one of three commercial resupply partners for NASA aiming to fly its Dream Chaser spacecraft to the International Space Station.

I grew up in Central Florida, close enough to the Space Coast that shuttle launches were part of my childhood soundtrack. There's nothing like watching humans strapped to controlled explosions arc ...

NASA’s latest class of astronaut candidates, known as “ascans,” has officially been introduced while Expedition 73 continues its ongoing work aboard the International Space Station. According to a ...

It will be several years before any of these new commercial space stations circle the Earth at around 17,500 miles per hour (28,000 kilometers per hour) and several years before the ISS is deorbited ...

Min Read Curiosity and the desire to explore are traits deeply rooted in human nature. Space exploration is no exception; it ...