Hubble Captures Image of the Arp 274 Group of Galaxies

Arp 274, also known as NGC 5679, is a system of three galaxies that appear to…

Daybreak at Gale Crater

This computer-generated images depicts part of Mars at the boundary between darkness and daylight, with an…

Hurricane Irene

High above the Earth from aboard the International Space Station, astronaut Ron Garan snapped this image…

Hurricane Irene

High above the Earth from aboard the International Space Station, astronaut Ron Garan snapped this image…

Viking 1 Examines Mars’ Ophir Chasma

During its examination of Mars, the Viking 1 spacecraft returned images of Valles Marineris, a huge…

Earth and Its Moon As Seen By Voyager 1

This image of the Earth and moon in a single frame, the first of its kind…

Long Way From Home

This picture of a crescent-shaped Earth and Moon - the first of its kind ever taken…

A Spinning Neutron Star Is Tied to a Mysterious Tail

A spinning neutron star is tied to a mysterious tail -- or so it seems. Astronomers…

Elmo and STS-135 Commander Chris Ferguson

The crew of STS-135, NASA's final space shuttle mission, and Sesame Street's Elmo welcomed visitors to…

Stephen Colbert Salutes the STS-135 Crew

Stephen Colbert, host of The Colbert Report, salutes the crew of STS-135 during their appearance for…