Explore NASA Science

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The Mystery of High-Energy Cosmic Rays Poster
Universe, ISS
Aug 11, 2017

The cosmic ray detector known as CREAM is headed for the International Space Station, with a goal of measuring the highest energy possible for direct... Read more

view of Earth's limb and air glow (composite)
Sun
Aug 10, 2017

Three NASA-funded studies will use the Aug. 21 total solar eclipse as a ready-made experiment, courtesy of nature, to improve our understanding of the ionosphere and its relationship to the Sun. ... Read more

people watching a partial eclipse
Sun
Aug 10, 2017

Whether you're an amateur photographer or a selfie master, try out these tips for photographing the eclipse. ... Read more

NASA has selected six astrophysics concept study proposals as part of the agency’s Explorers Program.
Solar System
Aug 9, 2017

NASA has selected six astrophysics Explorers Program proposals for concept studies. The proposed missions would study gamma-ray and X-ray emissions from clusters of galaxies and neutron star systems... Read more

Artist's rendering of Cassini
Solar System
Aug 9, 2017

NASA's Cassini spacecraft will enter new territory in its final mission phase, the Grand Finale, as it prepares to embark on a set of ultra-close passes through Saturn’s upper atmosphere with its... Read more

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A Big Month for Astronomy Poster
Sky Watching, Eclipses, Meteor Showers
Aug 9, 2017

The Perseid meteor shower will peak on August 11, 12, and 13, and a Total Solar Eclipse will be visible in the United States from coast to coast on... Read more

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Photo of cars submerged in flood water
Earth
Aug 7, 2017

Earth observations guided efforts to aid communities swamped by historic flooding Flooding killed more than 125 people in the U.S. in 2016.... Read more

Letters exchanged between NASA and space enthusiast Jack Davis, a fourth-grade student in New Jersey.
Solar System
Aug 4, 2017

The recent announcement for a position that NASA has had since the 1960s – Planetary Protection Officer – has generated a lot of excitement in the public, as well as comparisons to many sci-fi movie... Read more

composite image of sunspot from SDO
Sun
Aug 4, 2017

During its 13-day trip across the face of the sun, a sunspot recently put on a show for NASA's sun-watching satellites, producing several solar flares, a coronal mass ejection and a solar energetic... Read more

Allison Evans
Sun
Aug 2, 2017

Along for the ride on Dellingr’s maiden journey is a suite of miniaturized NASA-developed technologies — one no larger than a fingernail — that in many cases already have proven their mettle in... Read more