Explore NASA Science

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Photo of moon eclipsing sun
Sun, Sky Watching, Eclipses
Aug 16, 2017

Cloud cover? Cannot travel? Don’t fear! Watch the total solar eclipse online! Read more

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Still image of total solar eclipse
Sun, Sky Watching, Eclipses
Aug 11, 2017

Are you ready for the eclipse?  Learn more here! Read more

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The 2017 Total Solar Eclipse Poster
Sun, Sky Watching, Eclipses
Aug 18, 2017

On August 21, 2017, a continent-spanning wave of instruments from home-made pinhole cameras to the most sophisticated telescopes in operation today... Read more

partial map of 2017 total solar eclipse path
Sun
Aug 17, 2017

Two points along the shadow’s path are of particular interest to eclipse viewers seeking the longest-lasting totality: the point of greatest eclipse and the point of greatest duration. But neither is... Read more

SOHO view of CME
Sun
Aug 15, 2017

Using seven spacecraft, along with computer models, scientists have pieced together the journey of a coronal mass ejection from the Sun outward to Mars, Comet 67P, Jupiter and even the New Horizons... Read more

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Cassini's Grand Finale Poster
Solar System, Planets of Our Solar System
Aug 15, 2017

Cassini is in the process of executing 22 daring ‘Grand Finale’ dives in the 1,200-mile gap between Saturn and its innermost ring, concluding with an... Read more

NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014.
Sun
Aug 14, 2017

NASA will provide the public an unprecedented front row seat of the Aug. 21 total solar eclipse via a live television broadcast, images and streaming video. ... Read more

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Photo taken of Canadian Rocky Mountains from inside aircraft
Ice
Aug 14, 2017

UWBRAD instrument installed in the DC-3T aircraft. The cylinder in the foreground is the deployable “periscope” antenna, and the instrument... Read more

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From its new vantage point on the International Space Station's Japanese Experiment Module - Exposed Facility, the Cosmic Ray Energetics and Mass (ISS-CREAM) mission, shown in the inset illustration, will study cosmic rays to determine their sources and acceleration mechanisms.
Universe, ISS
Aug 11, 2017

A new experiment set for an Aug. 14 launch to the International Space Station will provide an unprecedented look at a rain of particles from deep... Read more

image of the sun
Sun
Aug 11, 2017

On Sept. 30, 2014, multiple NASA observatories watched a failed solar eruption. Because scientists had so many eyes on the event, they were able to explain how the Sun's magnetic landscape shredded... Read more