Blue Waters

This image of the southern Greenland town of Narsaq was taken during an Operation IceBridge flight…

A Sunny Day

Each and every day NASA's Solar Dynamics Observatory (SDO) observes our Sun and relays observational data…

Europa by the Numbers

Galileo Galilei discovered Jupiter's moon Europa in 1610. More than four centuries later, astronomers are still…

Hubble Spies Glowing Galaxies in Massive Cluster

In the darkness of the distant universe, these galaxies resemble glowing fireflies, flickering candles, charred embers…

Full Moon Over Newfoundland

The crew of the International Space Station snapped this image of the full moon on April…

Spring Color in the North Sea

Warm air and sunlight beget warmer ocean waters and provoke blooms of the “grass of the…

Astronaut-Educator Ricky Arnold Conducts Science on Station

Astronaut-educator Ricky Arnold conducts student-designed science on the Space Station.

InSight Mars Mission Lifts Off From Vandenberg Air Force Base

The NASA InSight spacecraft launches onboard a United Launch Alliance Atlas-V rocket, Saturday, May 5, 2018,…

Voyage to the Red Planet

NASA's InSight spacecraft rests aboard a ULA Atlas V rocket, awaiting launch scheduled on May 5,…

Tangled Up in Blue

The lone active region visible on our Sun put on a fine display with its tangled…