
B-52B (52-0008) makes its 1,000 flight. Originally used as a test aircraft, it was modified as an X-15 mothership. It…

The Soyuz and Nauka are docked to the International Space Station above eastern Europe.

NASA astronaut Megan McArthur cleans up plant debris in the International Space Station’s Plant Habitat.

NASA astronaut Mark Vande Hei replaces hardware inside the Combustion Integrated Rack.

Astronaut Akihiko Hoshide conducts research using DNA sequencing to help monitor and identify microbes on spacecraft.

NASA astronauts Megan McArthur, Shane Kimbrough and Mark Vande Hei are pictured working inside the International Space Station’s U.S. Destiny…

ESA astronaut Thomas Pesquet is seated in a specialized chair for the GRIP human research experiment.

NASA astronaut Shane Kimbrough takes a midday break inside the cupola, the International Space Station’s “window to the world.”

The International Space Station orbits 266 miles above the north Pacific Ocean off the coast of British Columbia, Canada.

NASA’s Revolutionary Vertical Lift Technology Project’s Mobile Acoustics Facility is parked in the background of Joby’s prototype aircraft near Big…