Cassini at Saturn Sept. 22, 2006

Phillip Chamberlin expresses his enthusiasm for science and describes how he became a research astrophysicist.

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.

Cassini scientist Dr. Kevin Baines discusses Saturn's Cyclones.

Great Red Spot

These false-color mosaics from NASA's Cassini spacecraft chronicle the changing appearance of the huge storm that developed from a small spot in Saturn's northern hemisphere.

This image shows that NASA's Dawn mission detected abundances of hydrogen in a wide swath around the equator of the giant asteroid Vesta. The hydrogen probably exists in the form of hydroxyl or wat...

This video describes Cassini measurements of high speed streams of tiny dust particles emanating from the vicinity of Saturn.

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. 

NASA/JPL Science Writer Jay Thompson outlines the challenges in the latest Scientist for a Day essay content.

December 2020 skywatching highlights: Catch some Geminid meteors, then see Jupiter and Saturn get their closest in decades on the December solstice.

Rotating asteroids have a tough time sticking to their orbits. Their surfaces heat up during the day and cool down at night, giving off radiation that can act as a sort of mini-thruster.

Possible ‘Survivor' Planet Spotted Hugging a White Dwarf Star

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

Probe Landing on Titan

This spectrogram and video show a changing pattern of radio waves from Saturn known as Saturn Kilometric Radiation, as detected by NASA's Cassini spacecraft.

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

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

An overview video of the OSIRIS-REx mission.

NASA's Cassini spacecraft stared at Saturn for nearly 44 hours on April 25­ to 27, 2016, to obtain this movie showing just over four Saturn days.

Atlas Found!

Release of Probe

This visualziation shows the major fragments of comet Showmaker-Levy 9 colliding with Jupiter in 1994.

A new video from NASA's Dawn spacecraft takes us on a flyover journey above the surface of the giant asteroid Vesta.

Sungrazing comets are a special class of comets that come very close to the sun at their nearest approach, a point called perihelion.

Meet NASA's new Mars rover – Perseverance