Rings Around a Crescent

A crescent Saturn appears nestled within encircling rings in this Cassini spacecraft image. Clouds swirl through…

Explorer

Participating in the STS-129 mission's first spacewalk in November 2009, astronauts Mike Foreman and Robert L.…

Build the Future

Students used LEGOs to 'Build the Future' at NASA's Kennedy Space Center in Cape Canaveral, Fla.…

Transantarctic

This image, taken on Nov. 10, 2010, aboard the IceBridge DC-8 flight mapping the Earth's polar…

To the Rescue

This unique, close-up view of the X-38 under the wing of NASA's B-52 mothership prior to…

Fountain

Originally released May 30, 2007, this image is centered on a small cone on the side…

Doing Time

The DC-8 pilots on NASA's IceBridge mission point out the narrow Antarctic time zones on the…

Ghostly Spokes in the Rings

Scientists first saw these somewhat wedge-shaped, transient clouds of tiny particles known as "spokes" in images…

Tattooed Mars

Originally released Aug. 1, 2007, this image is of Mars' Russell Crater dune field, which is…

Cupola

"The ‘Cupola’, attached to the nadir side of the space station, gives a panoramic view of…