Warm air and sunlight beget warmer ocean waters and provoke blooms of the “grass of the…
Author: NASA Image of the Day
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…
Training ‘Guardian Angels’
"Guardian Angel" Pararescue specialists secure a covered life raft during an astronaut rescue training exercise. This…
Testing the InSight Mars Lander’s Solar Arrays
NASA's InSight Mars mission will help scientists understand the processes that shaped the rocky planets of…
Ganymede: A Moon Like No Other
Far across the solar system, where Earth appears merely as a pale blue dot, NASA’s Galileo…
Dividing Line
NASA's Operation IceBridge successfully collected data over several glaciers, research sites, and some parallel coastal grid…
Greece and the Aegean and Ionian Seas
This view from above the nation of Turkey looks out across the Aegean Sea, over Greece…