Al Bowers, center, and a group of student interns hook up a bungee cord for a flight of the Prandtl-D…
Expedition 56 prime crew member Serena Auñón-Chancellor of NASA
Expedition 56 prime crew member Alexander Gerst of the European Space Agency
Expedition 56 prime crew member Sergey Prokopyev of Roscosmos
Expedition 56 prime crew members report to space officials
Expedition 56 backup crew members report for their final Soyuz spacecraft qualification exams
Expedition 56 prime crew members wave to reporters
On May 3, 2018, a new eruption began at a fissure of the Kilauea volcano on the Island of Hawaii.
This image captures the dynamic nature of Jupiter’s northern temperate belt.
