April 7, 1991, Deployment of Breakthrough Gamma-ray Observatory

Twenty-five years ago, NASA launched the Compton Gamma Ray Observatory, an astronomical satellite that transformed our…

April 7, 1991, Deployment of Breakthrough Gamma-ray Observatory

Twenty-five years ago, NASA launched the Compton Gamma Ray Observatory, an astronomical satellite that transformed our…

Computer-Simulated Image of a Supermassive Black Hole

Astronomers have uncovered a near-record breaking supermassive black hole in an unlikely place: in the center…

The Turbulent North Atlantic

The Gulf Stream waters flow in somewhat parallel layers, slicing across what is otherwise a fairly…

Moonset Viewed From the International Space Station

Expedition 47 Flight Engineer Tim Peake of ESA took this striking photograph of the moon from…

Orion Spacecraft Suited Crew Testing

Engineers at NASA's Johnson Space Center in Houston are evaluating how crews inside a mockup of…

Hubble Peers Into the Heart of the Milky Way Galaxy

Peering deep into the dusty heart of our Milky Way galaxy using infrared vision, NASA’s Hubble…

Earth Art in Northwestern Australia

During an International Space Station flyover of Australia, NASA astronaut Jeff Williams captured a colorful image…

Greenland’s Ice Sheet From 40,000 Feet

The Oceans Melting Greenland (OMG) field campaign team is flying NASA’s G-III aircraft at about 40,000…

Simulated Atmosphere of a Hot Gas Giant

The turbulent atmosphere of a hot, gaseous planet known as HD 80606b is shown in this…