
The Northrop Grumman Cygnus cargo module is mated with its service module July 31 at NASA’s Wallops Flight Facility in…

This long-exposure photograph captures a starry sky above the Earth’s atmospheric glow.

This long-exposure photograph captures a starry sky above the Earth’s atmospheric glow.

Astronaut Chris Cassidy sequences microbial DNA samples.

Astronaut Chris Cassidy sequences microbial DNA samples.

Expedition 63 Commander Chris Cassidy conducts research activities.

This long-exposure photograph captures a starry sky above the Earth’s atmospheric glow.

This week in 2004, the MErcury Surface, Space ENvironment, Geochemistry, and Ranging spacecraft was launched aboard a Delta II rocket…

NASA’s Curiosity Mars Rover touched down eight years ago, on Aug. 5, 2012, and will soon be joined by a…

NASA research pilot Wayne Ringelberg wears a U.S. Air Force configuration of the NASA Jet Propulsion Laboratory in California prototype…