Researchers propose an ammonia-water slurry as the basis for Pluto's newly discovered geologic activity and possible volcanism, and offer a new method to predict planetary vigor.
NASA's New Horizons spacecraft has carried out the second in a series of four maneuvers propelling it toward an encounter with the ancient Kuiper Belt object 2014 MU69, a billion miles farther from the sun than Pluto.
In August 2015, more than 150 scientists interested in the exploration of Mars attended a conference at a hotel in Arcadia, California, to evaluate 21 potential landing sites for NASA's next Mars rover, a mission called Mars ...
Enceladus looks as though it is half lit by sunlight in this view from NASA's Cassini spacecraft, but looks can be deceiving. The area on the right, where surface features can be made out, are actually illuminated by light ...
After a journey of three billion miles lasting more than nine years, NASA's New Horizons mission finally flew by Pluto and its mysterious moons. The craft is powered by a radioisotope thermoelectric generator (RTG) that was ...
The New Horizons spacecraft experienced an anomaly the afternoon of July 4 that led to a loss of communication with Earth. Communication has since been reestablished and the spacecraft is healthy.
The two large craters on Tethys, near the line where day fades to night, almost resemble two giant eyes observing Saturn.
Hubble, it's your turn to smile for the cameras!
Japan plans to launch an unmanned mission to the moon as a stepping stone to a future visit to Mars, officials and local media said Monday.
From afar, Saturn's rings look like a solid, homogenous disk of material. But upon closer examination from Cassini, we see that there are varied structures in the rings at almost every scale imaginable.