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

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 ...

Solar Flares A solar flare is an intense burst of radiation, or light, on the Sun. These flashes span the electromagnetic spectrum — including X-rays, gamma rays, radio waves, and ultraviolet and ...

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 supports hurricane preparedness and response by providing satellite data and science before, during, and after storms. During hurricane season, NASA delivers timely flood maps, power outage ...

Written by Sharon Wilson Purdy, Planetary Geologist at the Smithsonian National Air and Space Museum Earth planning date: Wednesday, June 11, 2025 As we near the end of our Altadena drill campaign, ...

NASA’s CODEX is a solar coronagraph, an instrument often employed to study the Sun’s faint corona, or outer atmosphere, by blocking the bright face of the Sun. The instrument, which is installed on ...

This portrait from the NASA/ESA Hubble Space Telescope puts the nearby galaxy NGC 4449 in the spotlight. The galaxy is situated just 12.5 million light-years away in the constellation Canes Venatici ...

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

Written by Abigail Fraeman, Deputy Project Scientist at NASA’s Jet Propulsion Laboratory Earth planning date: Friday, June 27, 2025 We weren’t able to unstow Curiosity’s robotic arm on Wednesday ...

For 540 million years, the ebb and flow in the strength of Earth's magnetic field has correlated with fluctuations in atmospheric oxygen, according to a newly released analysis by NASA scientists. The ...