Ganymede: A Moon Like No Other

Far across the solar system, where Earth appears merely as a pale blue dot, NASA’s Galileo spacecraft spent eight years orbiting Jupiter. Newly resurrected data from Galileo's first flyby of Jupiter's moon Ganymede is yielding new insights.

Dividing Line

NASA's Operation IceBridge successfully collected data over several glaciers, research sites, and some parallel coastal grid lines on April 26, 2018, as part of its Spring 2018 campaign.

Greece and the Aegean and Ionian Seas

This view from above the nation of Turkey looks out across the Aegean Sea, over Greece and onto the Ionian Sea where Sicily and the boot of Italy are barely visible. The sun's glint on the Mediterranean waters highlight the Greek islands while clouds cloak the island of Crete.

Celebrating National Park Week With a View of Mount Rainier

NASA astronaut Ricky Arnold captured this clear view of Mount Rainier National Park as the International Space Station orbited above, sharing the image with his followers on April 25 to celebrate National Park Week.

Behold the Northern Lights

As our nearest star, the Sun bathes Earth in a steady stream of energetic particles, magnetic fields and radiation that can stimulate our atmosphere and light up the night sky, like the aurora borealis, or northern lights.

Gravity’s Rainbow

Saturn’s rings display their subtle colors in this view captured on Aug. 22, 2009, by NASA’s Cassini spacecraft.

The Galápagos Islands

"The Enchanted Islands of #Ecuador – the Galápagos," were photographed by NASA astronaut Ricky Arnold from aboard the International Space Station.