
European Space Agency (ESA) astronaut Paolo Nespoli rests in his sleeping bag in the Harmony node of the International Space…

Feb. 25, 2015 -- At the Astrotech Space Operations facility in Titusville, Florida, NASA's Magnetospheric Multiscale observatories, or MMS, enclosed…

ISS crewmembers work together during an Integrated Immune Study blood sample draw at the Human Research Facility (HRF).

A test subject in the Variable Radius Centrifuge to investigate altered G-Loading.

A researcher runs a motion simulation profile in the Tilt Translation Sled device in the Neurosciences Laboratory.

From the International Space Station, European Space Agency astronaut Samantha Cristoforetti took this photograph of Chicago and posted it to…

An Immunology lab researcher works with samples

A test subject performs manual control task on the 6 degrees of freedom (DoF) cockpit simulator in the Motion Simulator…

A fairly even string of about half a dozen small solar active regions rotated into view as if tied together.

The Piper PA-30 Twin Comanche, known at NASA's Dryden Flight Research Center, Edwards, Calif., as NASA 808, was a rugged…