Explore NASA Science

This illustration shows NASA’s Cassini spacecraft above Saturn's northern hemisphere prior to one of its 22 grand finale dives.
Solar System
Apr 4, 2017

NASA's Cassini spacecraft, in orbit around Saturn since 2004, is about to begin the final chapter of its remarkable story. On Wednesday, April 26, the spacecraft will make the first in a series of... Read more

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Photo of propulsion system for LunaH-Map
Solar System
Mar 31, 2017

Technology Infused: The Lunar polar Hydrogen Mapper (LunaH-Map) mission is a CubeSat that will detect the amount of hydrogen at the moon’s South Pole... Read more

NASA's Cassini spacecraft will make 22 orbits of Saturn during its Grand Finale, exploring a totally new region
Solar System
Mar 29, 2017

NASA will hold a news conference at 3 p.m. EDT Tuesday, April 4, at the agency’s Jet Propulsion Laboratory (JPL) in Pasadena, California, to preview the beginning of Cassini's final mission segment,... Read more

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Earth
Mar 27, 2017

NASA will celebrate Earth Day on April 22 to engage the public in the Agency’s mission to better understand and protect our home planet. Download a... Read more

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artist rendition of sun and planets in solar system
Solar System
Mar 23, 2017

NASA has selected ten studies under the Planetary Science Deep Space SmallSat Studies (PSDS3) program, to develop mission concepts using small... Read more

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Photograph of balloon being inflated on airport tarmac
Earth
Mar 23, 2017

Technology Infused: After over 20 years of tests and development, NASA’s Balloon Program team is on the cusp of expanding the envelope in high-... Read more

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NASA Embraces Small Satellites Poster
Earth, Sun
Mar 20, 2017

NASA is embracing small satellite designs, from tiny CubeSats to micro-satellites. These miniature marvels are providing many ways to collect science... Read more

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Illustration of spacecraft approaching Europa
Solar System
Mar 16, 2017

Technologies Infused: When NASA launches its mission to explore Jupiter’s moon Europa in the 2020s, seven instruments enabled by SMD technology... Read more

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screenshot of video tribute to four scientists
Solar System
Mar 9, 2017

NASA’s Goddard Space Flight Center lost four of its greatest minds in the past several months. Phil Sabelhaus, Marty Davis, Neil Gehrels and Piers... Read more

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Image of Nepal earthquake data
Earth
Mar 8, 2017

Technology Infused: On April 25, 2015, a magnitude 7.8 earthquake struck the mountainous nation of Nepal, causing widespread destruction and loss of... Read more