Crazy Engineering: Ion Propulsion for the Dawn Mission

This animation demonstrates how deformation in the icy surface of Europa could transport subsurface ocean water to the moon’s surface.

The moon Tethys is joined by two smaller moons in this movie from NASA's Cassini spacecraft.

Engineers at NASA's Jet Propulsion Laboratory in Pasadena, California, awaited the final transmission from the Cassini spacecraft as it plunged into Saturn's atmosphere ending its 20-year voyage of...

What's Up for August? This month our main focus is the Perseid meteor shower.

What’s the latest news from Mars? NASA’s InSight lander and MarCO CubeSats are on their way to the Red Planet, a tiny helicopter will hitch a ride with the Mars 2020 rover mission, and Curiosity’s ...

This artist's concept shows the European Space Agency's Huygens probe descent sequence.

This movie, comprised of several detailed images taken by Cassini's radar instrument, shows bodies of liquid near Titan's north pole.

JPL's Dawn mission is en route to rendezvous with the main-belt asteroids Vesta and Ceres, and is using ion propulsion to get there.

This movie captured by NASA'S Cassini spacecraft shows a south polar vortex, or a swirling mass of gas around the pole in the atmosphere, at Saturn’s moon Titan.

This video shows the intriguing Occator Crater on Ceres, home to the dwarf planet's brightest area.

As Huygens descends Titan's atmosphere, Cassini will record the data from 72,000 kilometers (about 44,700 miles).

This video takes viewers on a virtual tour of Vesta's south polar basin, the 'snowman' set of craters and a crater called Oppia.

Six years of exploration through the 'eyes' of the Mars Exploration Rover Spirit.

Radar Mapping Titan

NASA’s Cassini mission will come to a spectacular close on September 15, 2017 after almost two decades in space since its launch in 1997.

Team members reflect on Spirit's six-years of roving Mars.

NASA scientists pioneered new techniques to effectively peer beneath Greenland's thick ice sheet and into the crust itself.

The four changes of the seasons, related to the position of sunlight on the planet, are captured in this view from geosynchronous Earth orbit by EUMETSAT's Meteosat-9 satellite. 

Ring World Highlights  

Cassini mission planners created this animation to showcase Cassini's final 22 orbits - the mission's Grand Finale.

This simulated voyage over the surface of Neptune's large moon Triton was produced using topographic maps derived from images acquired by NASA's Voyager spacecraft during its August 1989 flyby, 20 ...

This animation shows the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2019, at hourly intervals. The imagery is based on actual dat...

What can you see in the December sky? Beautiful pairings of planets and the crescent Moon throughout the month, at sunrise and sunset.

This animation illustrates the path the Cassini spacecraft will take during its four year mission at Saturn.

The shadow of Saturn's moon Tethys seems to disappear as it crosses the planet's rings, demonstrating variations in the density of particles across the rings.