APOD Science APOD APOD: 2014 May 23 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

On Feb. 10, 2001, the crews of the Space Shuttle Atlantis and the International Space Station successfully installed the U.S.…

MESSENGER mapped the composition of Mercury's surface, took images to determine the structure of the magnetic field, determined the composition…

On April 9, 1959, NASA introduced its first astronaut class, the Mercury 7.

This April 6, 2014, image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter shows…

This infographic explains a popular theory of active supermassive black holes, referred to as the unified model

QuikScat acquires all-weather, high resolution measurements of near-surface winds over global oceans using specialized microwave radar.Launch: June 1999Operating Network: Near…

Rosetta is a European Space Agency mission to orbit a periodic comet, 67P/Churyumov-Gerasimenko, and dispatch a lander, called Philae, to…

APOD Science APOD APOD: 2014 May 22 – A… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

Soyuz Commander and cosmonaut Maxim Suraev, NASA astronaut Reid Wiseman and European astronaut Alexander Gerst will launch aboard the Soyuz…