Interment of John Glenn at Arlington National Cemetery

A horse drawn caisson carries former astronaut and U.S. Senator John Glenn to his final resting…

Illustration of Cassini Spacecraft’s Grand Finale Dive

This illustration shows NASA's Cassini spacecraft about to make one of its dives between Saturn and…

Space Station View of Auroras

Expedition 50 Flight Engineer Thomas Pesquet of the European Space Agency (ESA) photographed brightly glowing auroras…

Sliver of Saturn

Although only a sliver of Saturn's sunlit face is visible in this view, the mighty gas…

Dr. Nancy Grace Roman, Astronomer

Dr. Nancy Grace Roman is shown with a model of the Orbiting Solar Observatory (OSO) in…

Robotics Work on Space Station Set Up Thursday Spacewalk

The Pressurized Mating Adapter-3 (PMA-3) is in the grip of the International Space Station's Canadarm2 robotic…

The Splitting of the Dunes

The mound in the center of this Mars Reconnaissance Orbiter image appears to have blocked the…

Expedition 50 Spacewalks Prepare Station for Arrival of Commercial Crew Spacecraft

Flight Engineer Thomas Pesquet of ESA is seen floating outside the International Space Station during a…

Dark Spot and Jovian ‘Galaxy’

This enhanced-color image of a mysterious dark spot on Jupiter seems to reveal a Jovian “galaxy”…

Hubble Spots Two Interacting Galaxies Defying Cosmic Convention

Hubble spots two interacting galaxies some 60 million light-years away in the constellation of Leo.