Io in Eclipse

Great Red Spot

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

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

The heavens often seem vast and unchanging as seen from Earth, but movement in the skies is the norm. The relative motions of both Cassini and Enceladus over a 15-minute period create the movement ...

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

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 Saturn.

The Helioseismic Magnetic Imager (HMI) aboard the Solar Dynamics Observatory takes a series of images every 45 seconds in a very narrow range of wavelengths in visible light of the solar photospher...

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 ...

With fingers crossed and eyes wide open, sci-fi fans and scientists savor the joys of discovery...at Iapetus.

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

Team members reflect on Spirit's six-years of roving Mars.

: This mosaic combines views captured by Cassini as it made the first dive of the mission's Grand Finale on April 26, 2017, and shows details in bands and swirls in the atmosphere.

This movie uses data from NASA's Dawn spacecraft to simulate the view from the spacecraft flying over the surface of the giant asteroid Vesta.

Bob Anderson describes his work as a geologist who helps design and uses robots to collect data about Mars.

These two false-color views from NASA's Cassini spacecraft show detailed patterns that change during one Saturn day within the huge storm in the planet's northern hemisphere.

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

Ring World Highlights  

This simulated voyage over the surface of Neptune's large moon Triton was produced using topographic maps derived from images acquired by NASA's Voyager spacecraft during its August 1989 flyby, 20 ...

  This video drops in on mission control for NASA's Voyager spacecraft as Voyager 1 sends back data from the far reaches of our solar system.

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

The shadow of Saturn's moon Tethys seems to disappear as it crosses the planet's rings, demonstrating variations in the density of particles across the rings.

What incredible things will the Cassini spacecraft at Saturn see and do over the next few years?

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.

Keeping a close watch on the outer portion of Saturn's B ring, NASA's Cassini spacecraft records the complex inward and outward movement of the edge of the ring.

On Earth, the ocean floor is home to hydrothermal vents that spout hot water, nourishing life in an otherwise inhospitable environment. Scientists think similar vents could exist on other worlds.