Enceladus: Cold Faithful

After a 15-year wait, equinox arrived at Saturn and Cassini was there to witness the spectacle of light and shadow.

This new animation shows us that Saturn's moon Titan has more in common with Earth than we thought.

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.

Learn more about black holes, how to find them and how to stay safe should you ever get a chance to visit one.

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

  Take a virtual ride with Voyager 1 and 2 past Jupiter, Saturn, Uranus and Neptune.

The Sun emitted a significant solar flare on Dec. 19, 2014.  

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

Spacecraft at JPL

In this month's sky, look for lovely crescent Moons at the start and end of the month. The September equinox brings the beginning of fall in the Northern Hemisphere. And Mars is at solar conjunctio...

This animated graphic shows how Saturn and its moon Enceladus are electrically linked.

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.

On Nov. 30, 2016, NASA's Cassini mission begins a daring set of ring-grazing orbits, skimming past the outside edge of Saturn's main rings.

A simplified visualization of Saturn's magnetic field, or magnetosphere.

The sequence of seven images in this animation shows sunspots as viewed by NASA's Curiosity Mars rover from June 27 to July 8, 2015. From Mars, the rover was in position to see the opposite side of...

How can you communicate with Mars spacecraft when the Sun is in the way? Learn more about 'solar conjunction' in this 60-second video.

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

Great Red Spot

Orange and white stripes slide against each other, and huge oval storms  gyrate in the NASA's Cassini spacecraft's first color movie clip of Jupiter.  

This is the first footage of one orbiting robotic spacecraft taken by another orbiting robotic spacecraft at Earth's moon. 

Amateur video: Follow the Cassini spacecraft during its journey to and near Saturn.

The six Apollo landing sites are revealed chronologically as the phase and libration of the Moon is shown throughout the Apollo era. 

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...

As NASA marks the 50th anniversary of the Apollo 11 Moon landing, here are five things to know about the Moon that you can share with others.