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Layers in Mars' Danielson Crater

Solar System Sep 19, 2019
This image shows sedimentary rock and sand within Danielson Crater, an impact crater about 42 miles or 67 kilometers in diameter, located in the southwest Arabia Terra region of Mars.

Newly Discovered Comet Is Likely Interstellar Visitor

Solar System Sep 12, 2019
Comet C/2019 Q4 (Borisov) has excited the astronomical community because it appears to have originated from outside the solar system.
Eye on Neptune Poster

Eye on Neptune

Neptune will be at opposition in September, providing sky watchers and astronomers the opportunity to observe this planet that is invisible to the naked eye, but that scientists would love to see...

New Models Suggest Titan Lakes Are Explosion Craters

Solar System Sep 9, 2019
A new theory, based on radar data from NASA's Cassini mission, proposes that some of Titan's lakes formed when pockets of nitrogen blew out basins that filled with methane.

NASA Research Gives New Insight into How Much Atmosphere Mars Lost

Solar System Sep 5, 2019
A key tracer used to estimate how much atmosphere Mars lost can change depending on the time of day and the surface temperature on the Red Planet. Previous measurements of this tracer – isotopes of...

30 Years Ago: Voyager 2's Historic Neptune Flyby

Solar System Aug 22, 2019
Humanity's first and (so far) last visit to the outermost giant planet in our solar system was a monumental event for scientists and the public alike.
Photo of Salvatore Oriti and Scott Wilson inspect power converter TDC #13 in NASA GRC’s Stirling Research Laboratory

Record Setting Power System Disassembled and Analyzed: Proves Viability of Power Technology

Solar System Aug 13, 2019
Understanding potential failure modes can lead to improved designs that will enable Dynamic RPS to provide highly reliable power to planetary science missions for up to 17 years of operational life.

NASA Mission Selects Final Four Site Candidates for Asteroid Sample Return

Solar System Aug 12, 2019
After months grappling with the rugged reality of asteroid Bennu’s surface, the team leading NASA’s first asteroid sample return mission has selected four potential sites for the Origins,...

Hubble's New Portrait of Jupiter

Solar System Aug 8, 2019
This new Hubble Space Telescope view of Jupiter, taken on June 27, 2019, reveals the giant planet's trademark Great Red Spot, and a more intense color palette in the clouds swirling in Jupiter's...

The Lasting Impacts of Comet Shoemaker-Levy 9

In July 1994, astronomers around the world watched as the fragments of comet Shoemaker-Levy 9 slammed into the planet Jupiter.