Two Moons Passing in the Night

The Saturn moons Mimas and Pandora remind us of how different they are when they appear…

Cloud Streets over the Bering Sea

In early April 2013, clouds stretched in parallel rows for hundreds of kilometers over the Bering…

Hubble Eyes a Mysterious Old Spiral

This striking cosmic whirl is the center of galaxy NGC 524, as seen with the NASA/ESA…

Loading Operations for Orion Spacecraft Parachute Test

A test version of the Orion spacecraft is loaded onto a C-17 aircraft in preparation for…

View From Mars Orbiter Showing Curiosity Rover at ‘Shaler’

NASA's Mars Science Laboratory rover Curiosity appears as a bluish dot near the lower right corner…

Gravity Waves and Sunglint, Lake Superior

From the vantage point of the International Space Station, astronauts frequently observe atmospheric and surface phenomena…

Gravity Waves and Sunglint, Lake Superior

From the vantage point of the International Space Station, astronauts frequently observe atmospheric and surface phenomena…

The Day the Earth Smiled

In this rare image taken on July 19, 2013, the wide-angle camera on NASA's Cassini spacecraft…

Mission Control Celebrates Success of Apollo 11

Flight controllers celebrate the successful conclusion of the Apollo 11 lunar landing mission on July 24, 1969,…

NASA’s Hubble Sees a Stranger in the Crowd

The constellation of Virgo (The Virgin) is the largest of the Zodiac constellations, and the second…