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.

NASA has announced significant modifications to its contract with Sierra Space for the Dream Chaser spacecraft, effectively scrapping guaranteed resupply missions to the International Space Station ...

The Dream Chaser is the result of a combined effort by NASA and the private company Sierra Space. The private plane is intended to be reusable, allowing for multiple flights to and from Earth and the ...

This story was updated at 9:49 a.m. EDT. The new spaceship being built by private aerospace firm Sierra Nevada Corp. may look like a miniature space shuttle, but while the design takes cues from the ...

NASA says it is “no longer obligated” to order International Space Station (ISS) resupply missions from Sierra Space using the company’s Dream Chaser spaceplane after years of delays. The space agency ...

The Dream Chaser space plane was integrated with the 'Shooting Star' module at NASA's Armstrong Test Facility in Ohio. Sierra ...

You will, it is hoped, forgive the fanciful name: the Dream Chaser. But there is something distinctly aspirational about the shrink-wrapped experimental spacecraft that arrived at Edwards Air Force ...

NASA awarded Sierra Space's parent company part of a $14 billion ISS supply contract in 2016. Nearly 10 years later, everyone on that contract but Sierra Space is doing supply runs to ISS. Last week, ...

We're used to space exploration programs, including the ones that have to do with the development of new spaceships, to be subject to delays and unforeseen changes of plans, but I must admit, I wasn't ...