Astronaut Salutes Nimoy From Orbit

International Space Station astronaut Terry Virts (@AstroTerry) tweeted this image of a Vulcan hand salute from…

The Shuttle Enterprise

In 1976, NASA's space shuttle Enterprise rolled out of the Palmdale manufacturing facilities and was greeted…

Hubble Images a Dusty Galaxy, Home to an Exploding Star

The galaxy pictured here is NGC 4424, located in the constellation of Virgo.

Feb. 26, 1966 Launch of Apollo-Saturn 201

Apollo-Saturn 201 (AS-201), the first Saturn IB launch vehicle developed by NASA's Marshall Space Flight Center…

Chicago in Winter

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

Curiosity Self-Portrait at ‘Mojave’ Site on Mount Sharp

This self-portrait of NASA's Curiosity Mars rover shows the vehicle at the "Mojave" site, where its…

Astronaut Barry Wilmore on the First of Three Spacewalks

NASA astronaut Barry Wilmore works outside the International Space Station on the first of three spacewalks…

John Glenn During the Mercury-Atlas 6 Spaceflight

On Feb. 20, 1962, John H. Glenn, Jr., became the first American to orbit Earth.

Magnetospheric Multiscale Observatories Processed for Launch

NASA's Magnetospheric Multiscale (MMS) observatories are processed for launch in a clean room at the Astrotech…

Snow-Covered Northeastern United States

This image shows the snow-covered northeastern states as observed on Feb. 16, 2015, by the Moderate…