This image of comet 67P/Churyumov-Gerasimenko, taken by Rosetta's Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) on Sept. 20, from a distance...Jet Propulsion Laboratory/NASA From ACM News | October 27, 2014
It might look like a spoked wheel or even a "Chakram" weapon wielded by warriors like "Xena," from the fictional TV show, but this ringed galaxy is actually a vast...Jet Propulsion Laboratory/NASA From ACM News | October 22, 2014
All three NASA orbiters around Mars confirmed their healthy status Sunday after each took shelter behind Mars during a period of risk from dust released by a passing...Jet Propulsion Laboratory/NASA From ACM News | October 20, 2014
Static electricity is known to play an important role on Earth's airless, dusty moon, but evidence of static charge building up on other objects in the solar system...Jet Propulsion Laboratory/NASA From ACM News | October 17, 2014
NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has provided scientists their first look at a storm of energetic solar particles at Mars, produced...Jet Propulsion Laboratory/NASA From ACM News | October 15, 2014
NASA's extensive fleet of science assets, particularly those orbiting and roving Mars, have front row seats to image and study a once-in-a-lifetime comet flyby...Jet Propulsion Laboratory/NASA From ACM News | October 14, 2014
One small "hot spot" in the U.S. Southwest is responsible for producing the largest concentration of the greenhouse gas methane seen over the United States—more...Jet Propulsion Laboratory/NASA From ACM News | October 10, 2014
Astronomers have found a pulsating, dead star beaming with the energy of about 10 million suns. This is the brightest pulsar—a dense stellar remnant left over from...Jet Propulsion Laboratory/NASA From ACM News | October 9, 2014
Nature is often more complex and wonderful than it first appears. For example, although it looks like a simple hexagon, this feature surrounding Saturn's north...Jet Propulsion Laboratory/NASA From ACM News | October 8, 2014
The four images that make up a new montage of comet 67P/Churyumov-Gerasimenko were taken on September 26, 2014 by the European Space Agency's Rosetta spacecraft...Jet Propulsion Laboratory/NASA From ACM News | October 3, 2014
Using data from NASA's Gravity Recovery and Interior Laboratory (GRAIL), mission scientists have solved a lunar mystery almost as old as the moon itself.Jet Propulsion Laboratory/NASA From ACM News | October 2, 2014
NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft successfully entered Mars' orbit at 7:24 p.m. PDT (10:24 p.m. EDT) Sunday, Sept. 21, where it now...Jet Propulsion Laboratory/NASA From ACM News | September 22, 2014
The Dawn spacecraft has resumed normal ion thrusting after the thrusting unexpectedly stopped and the spacecraft entered safe mode on September 11.Jet Propulsion Laboratory/NASA From ACM News | September 18, 2014
NASA's Mars Curiosity rover has reached the Red Planet's Mount Sharp, a Mount-Rainier-size mountain at the center of the vast Gale Crater and the rover mission's...Jet Propulsion Laboratory/NASA From ACM News | September 12, 2014
A NASA instrument aboard the European Space Agency's Rosetta orbiter has successfully made its first delivery of science data from comet 67P/Churyumov-Gerasimenko...Jet Propulsion Laboratory/NASA From ACM News | September 8, 2014
An increasing frequency of computer resets on NASA's Mars Exploration Rover Opportunity has prompted the rover team to make plans to reformat the rover's flash...Jet Propulsion Laboratory/NASA From ACM News | September 2, 2014
Astronomers have for the first time caught a glimpse of the earliest stages of massive galaxy construction.Jet Propulsion Laboratory/NASA From ACM News | August 29, 2014
NASA's Pluto-bound New Horizons spacecraft has traversed the orbit of Neptune. This is its last major crossing en route to becoming the first probe to make a close...Jet Propulsion Laboratory/NASA From ACM News | August 25, 2014
NASA's Voyager 2 spacecraft gave humanity its first close-up look at Neptune and its moon Triton in the summer of 1989.Jet Propulsion Laboratory/NASA From ACM News | August 22, 2014
A new image of comet 67P/Churyumov-Gerasimenko shows the diversity of surface structures on the comet's nucleus.Jet Propulsion Laboratory/NASA From ACM News | August 20, 2014