Explore NASA Science

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Hubble’s Contentious Constant Poster
Universe
Sep 20, 2017

There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore... Read more

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Illustration of small satellite deployment into orbit
Earth
Sep 20, 2017

Small satellites provide a cheap, responsive alternative to larger, more expensive satellites. As demand grows, engineers must adapt these “... Read more

Engineers at the Johns Hopkins University Advanced Physics Laboratory in Laurel, Maryland, work on NASA’s Parker Solar Probe.
Sun
Sep 20, 2017

NASA’s Parker Solar Probe will be humanity’s first-ever mission to explore the Sun’s outer atmosphere. Media are invited to see the spacecraft and learn about the mission from noon to 2 p.m. EDT... Read more

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Satellite image of Hurricane Harvey's precipitation over Texas
Earth, Climate Change
Sep 18, 2017

It’s estimated that Hurricane Harvey dumped more than 30 trillion gallons of water across parts of the U.S. – most of it in east Texas and Louisiana... Read more

Artist rendering of Voyager
Sun
Sep 18, 2017

Out beyond 10 billion miles away from Earth, there is no day and night. Time and space are fathomless and our Sun is a distant point of starlight — a faint reminder of the home the Voyagers left... Read more

moon Enceladus behind Saturn
Solar System
Sep 15, 2017

A thrilling epoch in the exploration of our solar system came to a close today, as NASA's Cassini spacecraft made a fateful plunge into the atmosphere of Saturn, ending its 13-year tour of the ringed... Read more

Artist's illustration of NASA's Cassini spacecraft at Saturn
Solar System
Sep 13, 2017

NASA's Cassini spacecraft is on final approach to Saturn, following confirmation by mission navigators that it is on course to dive into the planet’s atmosphere on Friday, Sept. 15. ... Read more

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Image of Cassini with Saturn in the background
Solar System
Sep 12, 2017

When the Cassini orbiter plunges into the atmosphere of Saturn on Sept. 15, a group of NASA scientists based in Greenbelt, Maryland, will be among... Read more

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Photo of a city damaged by an earthquake
Earth
Sep 12, 2017

What if the terabytes of global environmental data streaming down every day from NASA’s fleet of Earth-orbiting satellites for researchers studying... Read more

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Photograph of Canadian Rocky mountains, view from airplane
Earth, Ice
Sep 11, 2017

Technology Development: A new instrument, the Ultrawideband Software-Defined Microwave Radiometer (UWBRAD), aims to provide measurements of ice sheet... Read more