NASA and Sierra Space have agreed to change their deal for its Dream Chaser spacecraft, which will now have its first launch ...

The astronauts aboard the International Space Station were expecting supplies, but had to wait due to engine problems.

Expedition 73 crewmembers sequenced DNA and worked with virtual reality glasses this week, while also continuing to unpack cargo vehicles and congratulating NASA's 24th group of astronaut candidates.

NASA has modified its ISS resupply contract with Sierra Space, which builds the robotic Dream Chaser space plane.

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

Californian company Vast is building what would be the world’s first commercial space station, which it aims to launch next ...

Two rocket launches with satellites by Space X and United Launch Alliance are scheduled for Thursday morning from Cape ...

For 24 hours a day, seven days a week since November 2000, NASA and its international partners have sustained a continuous ...

A team of scientists, including NASA researchers, has proposed a dramatic plan to stop asteroid 2024 YR4 from hitting the moon.

SpaceX launched a trio of spacecraft Wednesday morning, each meant to study the sun and space weather, and their affects on ...