Aptly named spacecraft might never make it to the orbital outpost after all NASA and Sierra Space have modified the ...

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

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

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

Meanwhile, Katalyst wins $30M contract to stop Swift telescope falling out of the sky NASA has made progress with plans to boost the rapidly decaying orbit of the Swift observatory while calling an ...

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 ...

SpaceX on Sunday launched a Commercial Resupply Services (CRS-33) mission to the International Space Station from Cape Canaveral in Florida, the Dragon spacecraft's 50th time. Following stage ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Maxar Technologies Since 1998, when the International Space Station (ISS) launched, there ...

After so many delays, difficulties, and disappointments, you might be inclined to think that NASA wants to wash its hands of Boeing's troubled Starliner spacecraft. But that's not the case. The ...

WASHINGTON — A Russian module on the International Space Station continues to suffer an air leak after hopes that recent repairs had resolved the long-running problem. At a July 30 press conference ...

As you know, the space station’s altitude slowly decays over time, due to the thin amount of atmosphere still at our altitude," International Space Station Program Operations Integration Manager Bill ...