
ESA astronaut Matthias Maurer is pictured outside the International Space Station during a spacewalk.

ESA astronaut Matthias Maurer is pictured on the International Space Station's truss structure during a spacewalk.

ESA astronaut Matathias Maurer is pictured on the International Space Station's truss structure during a spacewalk.

ESA astronaut Matthias Maurer is pictured on the International Space Station's truss structure during a spacewalk.

ESA astronaut Matthias Maurer is pictured on the International Space Station's truss structure during a spacewalk.

Japan's Kibo laboratory module is pictured as the International Space Station orbited 267 miles above the Pacific Ocean.

Spacewalkers Raja Chari and Matthias Maurer are pictured outside the International Space Station's Quest airlock.

A model of the Transonic Truss-Braced Wing aircraft is seen here installed for testing in the Unitary Plan Wind Tunnel…

One of the last unopened Apollo-era lunar samples collected during Apollo 17 has been opened under the careful direction of…

NASA Administrator Bill Nelson and Deputy Administrator Pam Melroy spoke with the leaders of Argentina's space agency, CONAE, on Tuesday,…