Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

The solar wind starts its journey at the Sun. It emanates from features on the Sun such as dark and cool regions called coronal holes and active regions, which are characterized by strong magnetic ...

NASA's Science Mission Directorate (SMD) announces the release of its annual omnibus solicitation for basic and applied research, Research Opportunities in ...

May - Cool as Ice Every winter, a layer of carbon dioxide frost (dry ice) forms on the surface of Mars. At its greatest extent in midwinter, this frost reaches from the poles down to the middle ...

Could a liquid water ocean beneath the surface of Jupiter's moon Europa have the ingredients to support life? Here's how NASA's mission to Europa would find out. Transcript: (Music) Europa is the most ...

The Europa Clipper team deploys a 28-foot (8.5-meter) boom that will support the spacecraft's magnetometer sensors. To fit aboard the rocket, the boom will be stowed in a canister. It will deploy to ...

Hubble’s Messier Catalog Hubble has captured images of many objects in the Messier catalog that you can view yourself with a backyard telescope.

Titan's dense atmosphere shrouds the moon beneath a tan haze in this image. Dione, another one of Saturn's many moons, can be seen through the Titan haze in this view of the two posing before the ...

Flight housing for the Europa Ultraviolet Spectrograph (Europa-UVS) instrument in early summer 2020, as it was about to begin assembly and testing.

This video shows a test deployment of Europa Clipper’s very high frequency (VHF) radar antenna. In its stowed configuration for launch, the devices will be about the size of a small lunchbox. In the ...

NASA's New Horizons spacecraft took this image of Europa hanging above Jupiter's cloud tops with its Long Range Reconnaissance Imager (LORRI) at 11:48 Universal Time on February 28, 2007, six hours ...