During a spacewalk outside the International Space Station, Russian cosmonaut Sergey Prokopyev jettisoned a 5-kilogram bundle ...

An astronaut who missed out on the first all-female spacewalk because of a spacesuit sizing issue got her chance six years ...

It seems too good to be true, but UK-based Pulsar Fusion has revealed its new Sunbird self-contained nuclear rocket tug that ...

NASA astronauts Anne McClain and Nichole Ayers completed a nearly six-hour all-female spacewalk, moving an antenna and assembling hardware for new solar arrays. They hit most goals, with some tasks ...

US space agency NASA says it will phase out a large rocket and spacecraft developed under the US-led international lunar exploration program, Artemis, and replace them with commercial systems.

With Expedition 73 now underway, the International Space Station is hosting seven crewmembers again. Thursday saw the ...