Enceladus: Cold Faithful

What might a wet Mars have looked like? This artist's concept attempts to fill in the blanks.

This sequence of images shows the Sun from its surface to its upper atmosphere and in order of temperature from the first one at 6,000 degrees C on the surface out to about 10 million degrees C.

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...

Classic video explaining the history, debate and continuing discussion of the definition of a planet.

Filters, pixels and math star in this narrated cartoon.

This computer-generated animation shows all of Cassini's orbits - affectionaly called the "ball of yarn" by mission planners.

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

Mark Hofstadter describes the lure of science -- of discovering something new -- and his path to becoming a planetary scientist.

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.

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

On June 30, 2004 (PDT), as mission controllers at NASA’s Jet Propulsion Laboratory held their collective breath, the international Cassini-Huygens mission successfully arrived in orbit around Satur...

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

A shortened, 54-second version of Cassini's Grand Finale animation showing the spacecraft's final moments.

This movie shows what it was like for NASA's Stardust spacecraft to fly by comet Tempel 1.

This visualization shows the orbits of NASA-related near-Earth science missions that are considered operational as of March 2017. 

MESSENGER captured this departure sequence of Venus after a close flyby of the planet in 2007.

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

This short computer-animated film highlights Cassini's accomplishments and Saturn and reveals the science-packed final orbits between April and September 2017.

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

Eleven years in the life of the Sun, spanning most of solar cycle 23.

Giovanni Cassini, the astronomer, discovers a moon near Saturn. Half is dark as coal. The other half, bright as snow. Three centuries later, Cassini, the spacecraft, flies by for a close look.

Spacecraft Full Stack

An update on findings from Cassini's latest flyby of Saturn's largest moon, Titan.

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.