As a backlash builds in Congress to SpaceX delays with its Starship lunar lander, a top Mars scholar is calling for Elon Musk ...

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

NASA has announced significant modifications to its contract with Sierra Space for the Dream Chaser spacecraft, effectively ...

Sierra Space and NASA have sharply revised a contract to use the company’s Dream Chaser vehicle to deliver cargo to the ...

The Dream Chaser, the long-awaited reusable spaceplane inspired by the Space Shuttle, could be chasing its own dreams for a little while longer. NASA announced Thursday that it significantly changed ...

Sierra Nevada ultimately lost out on the Commercial Crew competition to Boeing and SpaceX, but in 2016, a cargo version of ...

There are some obvious things banned on the ISS, such as an open flame, but then something as innocuous as a pen is also ...

While many in the industry were at first skeptical of NASA’s goal to put resupply flights to the International Space Station in the hands of commercial operators, the results speak for ...

The capture by the International Space Station's robot arm came a day late because of an unexpected, but now resolved, ...

NASA plans to send the ISS into Earth's atmosphere in 2030, and it has no plans for a replacement — at least, not directly.

SpaceX lent a hand to fellow commercial cargo company Northrop Grumman once again with a launch Sunday evening on the Space Coast to send supplies to the International Space Station. A Falcon 9 rocket ...

It wasn't thunder heard Sunday evening across the Space Coast. It was a brand new Northrop Grumman spacecraft off on a delivery mission to the space station. Launched atop a SpaceX Falcon 9 rocket at ...