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Artist’s concept of interstellar asteroid 1I/2017 U1 (‘Oumuamua)
Nov 20, 2017

Astronomers recently scrambled to observe an intriguing asteroid that zipped through the solar system on a steep trajectory from interstellar space—... Read more

Project Scientist Nicky Fox of the Johns Hopkins University Applied Physics Lab is interviewed at NASA Headquarters
Nov 15, 2017

“Gravity Assist,” a new NASA weekly podcast series, launches Wednesday on and the SoundCloud and iTunes audio platforms. ... Read more

Gravity Assist Podcast Logo
Nov 15, 2017

We start our “Gravity Assist” virtual tour of the solar system with – where else – the Sun!  How hot is the Sun, what are solar flares, and how... Read more

Black and white image of Enceladus
Nov 7, 2017

Heat from friction could power hydrothermal activity on Saturn's moon Enceladus for billions of years if the moon has a highly porous core, according... Read more

photo of planet Venus
Nov 6, 2017

This blog post originated in the 2016 Science Mission Directorate Technology Highlights Report (20 MB PDF). Technology Development... Read more

Halloween image of ghost and planets
Oct 30, 2017

In time for Halloween, we've put together a compilation of elusive "sounds" of howling planets and whistling helium that is sure to make your skin... Read more

Diagram showing the path of A/2017 U1
Oct 27, 2017

A small, recently discovered asteroid -- or perhaps a comet -- appears to have originated from outside the solar system, coming from somewhere else... Read more

Layered sedimentary deposits inside the giant canyons of Mars
Oct 24, 2017

The layered sedimentary deposits inside the giant canyons of Mars have puzzled scientists for decades. These light toned deposits have fine,... Read more

Colors in this image of the Martian moon Phobos indicate a range of surface temperatures detected by observing the moon on Sept. 29, 2017, with the Thermal Emission Imaging System (THEMIS) camera on NASA's Mars Odyssey orbiter.
Oct 5, 2017

NASA's longest-lived mission to Mars has gained its first look at the Martian moon Phobos, pursuing a deeper understanding by examining it in... Read more