After nine months on the ISS, astronauts Butch Wilmore and Sunita Williams returned to Earth aboard a SpaceX Dragon capsule.

Space is getting crowded — humans have now placed over 20,000 satellites into orbit since the start of the space age, and ...

NASA’s Butch Wilmore and Suni Williams, whose weeklong Boeing Starliner mission turned into an extended stay in space, are ...

NASA astronauts Butch Wilmore and Suni Williams arrived to Earth on SpaceX after spending 9 months on the ISS after Boeing’s ...

Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

NASA and SpaceX made another attempt on Friday to send a crew up to the International Space Station (ISS) and begin the ...

Greenhouse gases are doing more than warming our planet — they're reshaping space itself. As emissions cool and shrink the ...

Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

The International Space Station supports a wide range of scientific activities, from looking out at our universe to ...

Following the 3,000th orbit of NASA’s AWE (Atmospheric Waves Experiment) aboard the International Space Station, researchers publicly released the mission’s first trove of scientific data, crucial to ...

China wants to build a space-based solar power station in orbit around Earth, and it could do so in the next 25 years.