Preparing for Furture Missions at the Armstrong Flight Research Center

Pilots Troy Asher and Wayne Ringelberg walk out of NASA’s Armstrong Flight Research Center’s (AFRC) hangar in Palmdale, California, toward the flight line.

Viewing the Red Planet

This artist's concept shows an astronaut on Mars, as viewed through the window of a spacecraft.

Hubble Makes a Bright Find

Seen here in incredible detail is the starburst galaxy formally known as PLCK G045.1+61.1. The galaxy, which appears as multiple reddish dots near the center of the image, is being gravitationally lensed by a cluster of closer galaxies, also seen in the image.

Bringing Einstein's Concepts to Life Through Art

Launched on April 20, 2004, Gravity Probe B (GP-B) was a collaboration between Stanford University and NASA designed to test two previously untested aspects of Albert Einstein’s general theory of relativity.

Hubble Glimpses a Galaxy Among Many

Looking deep into the universe, the Hubble Space Telescope catches a passing glimpse of the numerous arm-like structures that sweep around this barred spiral galaxy, known as NGC 2608. Appearing as a slightly stretched, smaller version of our Milky Way, the peppered blue and red spiral arms are anchored together by the prominent horizontal

Grand Finale: One of Cassini's Last Dives

This illustration imagines the view from NASA's Cassini spacecraft during one of its final dives between Saturn and its innermost rings.

The Space In-between: Aurora Australis

Like a wisp of green smoke, the aurora australis seemingly intersects with the Earth's airglow as the International Space Station orbited above the Indian Ocean halfway between Australia and Antarctica.