Cassini at Saturn Sept. 22, 2006

The most prominent jets of vapor and icy particles emerging from the south polar terrain of Saturn’s moon Enceladus are shown here in graphical form in a movie clip of a “rotating” Enceladus.

New science, mined from the archives. Data from NASA's Galileo orbiter launched a generation ago yields new evidence of plumes, eruptions of water vapor, from Jupiter's moon Europa.

Clara, Sugar Plum Fairy, move aside. Saturn's moons give Tchaikovsky's classic ballet, "The Nutcracker," a graceful new spin in this video compiled from some 61 images taken by the Cassini spacecra...

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

Ion propulsion isn’t something found only in science fiction. JPL engineer Mike Meacham looks at how ion engines are being used to drive NASA's Dawn spacecraft through the solar system.

Spacecraft Full Stack

Radar Mapping Titan

A mission concept to explore Saturn's moons Titan and Enceladus.

A large sunspot was the source of a powerful solar flare and a coronal mass ejection (Sept. 6, 2017). The flare was the largest solar flare of the last decade. For one thing, it created a strong sh...

What can you see in the April sky? The Moon visits Mars in the evening, and later joins Saturn and Jupiter for a spot of tea. Also, how to find Polaris, the North Star.

Filters, pixels and math star in this narrated cartoon.

See all the planets, plus mission updates from comet and asteroid missions Dawn and Rosetta.

Credit: NASA Goddard Space Flight Center

What can you see in the February sky? Stars and planets with distinct red and blue colors, like Mars and Sirius.

This Cassini movie -- the first of its kind -- shows lightning on Saturn's night side flashing in a cloud that is illuminated by light from Saturn's rings.

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

This animation shows a color-coded map from NASA's Dawn mission revealing the highs and lows of topography on the surface of dwarf planet Ceres.

This rotating mosaic of asteroid Bennu is composed of 40 images captured by the PolyCam imager onboard NASA’s OSIRIS-REx spacecraft over a four-hour period on Dec. 2, 2018.

Have you ever seen a meteorite streaking across the sky? If so, you may very well have seen part of the asteroid, Vesta!

In August 2012, a long filament of solar material coalesced in the Sun's atmosphere. 

Take a flight over dwarf planet Ceres in this video made with images from NASA's Dawn spacecraft.

In this Voyager Update from the night of the Neptune encounter (25 August 1989), now Voyager Project Manager, Suzy Dodd speaks with such guests as Jay Holberg and Bill Kurth concerning the Voyager ...

Animation of Cassini's final orbit, leading to a pass by the moon Titan which sends the spacecraft plunging into Saturn on Sept. 15, 2017. 

Hear about what we know about Titan topics that were investigated early in Cassini’s mission. Learn what questions have baffled and perplexed Cassini scientists for a long while (cough cough cryovo...

This movie is based on data from NASA's Cassini spacecraft and shows a flyover of an area of Saturn's moon Titan known as Sotra Facula