NASA astronaut Mark Vande Hei exits the International Space Station on Oct. 10, 2017, for a spacewalk in this photograph taken by fellow spacewalker Randy Bresnik.
Russia on Saturday launched an unmanned Progress space freighter carrying supplies to the International Space Station from the Baikonur cosmodrome in Kazakhstan.
While it's true that space radiation is one of the biggest challenges for a human journey to Mars, it's also true that NASA is developing technologies and countermeasures to ensure a safe and successful journey to the red ...
Dawn brings the sight of Dream Chaser, Sierra Nevada Corporation's reusable spacecraft, as it sits on the runway at NASA's Armstrong Flight Research Center (AFRC).
ESA astronaut Luca Parmitano has been on Earth since his mission to the International Space Station in 2013, but "Lucaparmitano" is now back in space thanks to an Italian astronomer.
Russia's Mission Control says the launch of an unmanned Russian cargo ship to the International Space Station has been postponed.
SpaceX on Wednesday launched a rocket that had already flown to space and landed it successfully on an ocean platform, as part of its ongoing effort to recycle costly rocket components.
In his new autobiography, retired astronaut Scott Kelly gives an unflinchingly blunt take on his U.S. record-breaking year in space and the challenging life events that got him there.
Twelve volunteers will arrive this week at the German Space Agency's (DLR) Institute of Aerospace Medicine's :envihab facility to lie in bed for a month in the name of science. NASA's Human Research Program, in partnership ...
In 2015, European Space Agency (ESA) astronaut Andreas Mogensen was onboard the International Space Station (ISS), photographing the tops of thunderstorms from Earth orbit. And he saw something very interesting indeed.