On 18 March 1965, the Soviet Union sent Alexei Leonov outside Voskhod 2 for the first spacewalk in history. The mission ...

Jeremy Hansen is about to find out. The Canadian Space Agency announced Monday that Hansen "will pursue new professional ...

The Canadian Space Agency's Jeremy Hansen will step back from active astronaut service in September for a new role.

Chris Williams and Jessica Meir replaced a faulty wrist joint on the International Space Station's robotic arm during a complex mission carried out while the orbiting laboratory travelled around Earth ...

Canadarm2 has two identical LEEs that are used to grab visiting spacecraft, as well as provide data and telemetry to the rest of the Canadian-built Mobile Base System. This bundle ...

The spacewalk lasted well over 7 hours, 40 minutes longer than expected. Here are the details.

The space agency has put out a call for its Moon & Mars Exploration Analog, which recreates the challenges of a long-duration ...

Space nerds, rejoice! A fully-stacked, 20-story tall space shuttle will soon be on display at a brand new exhibit, appearing ...

NASA astronaut and engineer Christina Koch threw out the ceremonial first pitch for the Philadelphia Phillies’ game against the Pittsburgh Pirates on Wednesday night at Citizens Bank Park. Koch made ...

We find out why everybody in the Northern Territory sets off fireworks on July 1st.

May his soul rest in peace.’ It was a practice she was to continue for the rest of her life.” Philadelphia’s Catholic ...

I’ll still be chiming in to the newsletter from time to time, so keep in touch at matthew.choi@washpost.com! The Neil Gehrels ...