Ranger 9 Impact

NASA's Cassini has found salt in Saturn's E ring, hinting that the moon Enceladus could have an underground liquid reservoir, perhaps even an ocean.

Hello, my name is Janelle. I think the best topic is number 2, Titan.

NASA's Cassini spacecraft, in orbit around Saturn for nearly 13 years, is beginning its Grand Finale — and it's thanks to some Crazy Engineering!  A team of engineers called astrodynamicists use ma...

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

Sir Arthur C. Clarke's video greeting to NASA's Jet Propulsion Laboratory for Cassini's first close Iapetus flyby in 2007.

Atlas Found!

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.

This movie shows Mercury's globe as it rotates. 

A quick look at how a Bistatic Observation works.

This movie created from images obtained by NASA’s Cassini spacecraft shows a propeller-shaped structure created by a hidden, embedded moon moving through one of Saturn's rings.

Welcome to the Scientist for a Day 2018-2019 essay contest.

This graphic and animation depicts a cross-section of the Saturnian moon Titan.

Go, Atlas. Go, Centaur. Go, InSight! NASA's InSight mission launched from Vandenberg Air Force Base for Mars on May 5, 2018—the first interplanetary launch from the West Coast. 

NASA's Cassini scientists waited years for the right conditions to produce the first movie that shows lightning on another planet - Saturn.

The tumbling and irregularly shaped moon Hyperion rotates away from the Cassini spacecraft in this movie taken during a distant encounter in Dec. 2005.

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...

This animation, made using data from NASA's Dawn spacecraft, shows the topography of Occator crater on Ceres.

Dr. Bonnie Buratti describes her background as well as her role as a senior research scientist.

Great Red Spot

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.

Ceres' lack of giant impact basins presents a puzzle to scientists.

Jupiter Magnetosphere

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...

Striking 3-D detail highlights a towering mountain, the brightest spots and other features on dwarf planet Ceres in a new video from NASA's Dawn mission.

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.