Spacewalking astronauts wrapped up months of repair work Friday on the International Space Station 's big robot arm.
A record-setting Russian spacewalk ended with a critical antenna in the wrong position Friday outside the International Space Station.
Two commercial satellites have been placed in orbit by an Ariane 5 rocket but have yet to reach their correct positions, Arianespace said Thursday, after mission control briefly lost contact with the craft in a rare malfunction.
Spacewalking astronauts gave a hand to the International Space Station's big robot arm Tuesday.
ESA's Gaia observatory was launched in December 2013, and is now surveying our Milky Way, creating one of the most accurate-ever maps of the stars in our home galaxy and helping to answer questions about its origin and evolution.
The unexpected sighting of an aircraft in the area near Wallops Island, Virginia forced Orbital ATK to cancel its planned launch Saturday of an unmanned cargo ship to the International Space Station.
ESA and the Canadian Space Agency are probing how to explore the Moon with a robot rover. The teams are investigating the challenges of remotely operating a rover in a representative lunar scenario with teams in several locations ...
Launched last week, Europe's Sentinel-5P satellite – the first Copernicus mission dedicated to monitoring the air we breathe – is in excellent health.
Russia on Saturday launched an unmanned Progress space freighter carrying supplies to the International Space Station from the Baikonur cosmodrome in Kazakhstan.
Russia's Mission Control says the launch of an unmanned Russian cargo ship to the International Space Station has been postponed.