Will we know life when we see it? The James Webb Space Telescope, launched in 2021, could get the first glimpses: the mix of gases in the atmospheres of Earth-sized exoplanets. Webb, or a similar ...

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 ...

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

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.

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 ...

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