Jupiter Magnetosphere

NASA's Cassini spacecraft made its final approach to Saturn and dove into the planet’s atmosphere on Friday, Sept. 15, 2017 but the science provided by this enduring spacecraft will live on.

Annette and Alden Tombaugh, the children of Clyde Tombaugh, remember their father and his discovery of Pluto.

This video describes a computer model that proposes a flow vortex in Saturn's upper atmosphere or ionosphere can explain periodic signatures observed by NASA's Cassini spacecraft in Saturn's magnet...

NASA's Dawn is the first spacecraft to orbit two extraterrestrial targets.

Explore the process that Johannes Kepler undertook when he formulated his three laws of planetary motion.

Project Scientist Linda Spilker and Mission Planner Molly Bittner answer questions about Cassini's Ring-Grazing orbits during this Jan. 30, 2017 Facebook Live event. 

Since the 1960’s, scientists have suspected that frozen water could survive in cold, dark craters at the Moon’s poles. 

The Cassini spacecraft arrived at Saturn in June 2004 and is now halfway through its mission. A new photo essay showcases some stunning images returned by the mission.

This movie, built with data collected during the European Space Agency's Huygens probe on Jan. 14, 2005, shows the operation of the Descent Imager/Spectral Radiometer camera during its descent and ...

High-Altitude Clouds

Filters, pixels and math star in this narrated cartoon.

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

Thomas Valdez tells how his early penchant for tinkering with things followed a path that led him to a career as a research engineer

Trouble pronouncing Rosetta and Philae's target comet? We called in some expert help.

This animation shows "beacons" of hot air seen in the infrared that appeared during a great springtime storm on Saturn from January 2011 to March 2012. 

At the end of the last Apollo 15 moon walk, Commander David Scott (pictured above) performed a live demonstration for the television cameras.

As Titan Turns

A simplified model of Jupiter's massive magnetic field, known as a  magnetosphere.

This artist's concept shows "tides" on Titan raised by Saturn's gravity, as detected by NASA's Cassini spacecraft.

This movie created from images obtained by NASA’s Cassini spacecraft shows a propeller-shaped structure created by a hidden, embedded moon moving through one of Saturn's rings.

Rosaly Lopes shares how she was inspired to help the exploration of space and how that lead to her role as a planetary scientist.

Flight across Titan

Where is the edge of the solar system? The answer is not so simple.

NASA's Dawn spacecraft flys over dwarf planet Ceres which Dawn has been orbiting for mre than a year, providing us with fascinating views of an alien world.

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.