Earth's Magnetic Dent

This colorful spectrogram represents data collected by Cassini's Radio and Plasma Wave Science instrument as it crossed through Saturn's D ring on May 28, 2017.

Trouble pronouncing Rosetta and Philae's target comet? We called in some expert help.

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

Animated Spacecraft

The little moon Daphnis and its entourage of waves on the edge of the Keeler gap in Saturn's rings cast long shadows in this movie created from images taken as the planet approaches its mid-August ...

Known as the "Mother of Hubble," Dr. Nancy Grace Roman was instrumental in taking the Hubble Space Telescope from an idea to reality.

This movie from Cassini, made possible only as Saturn's north pole emerged from winter darkness, shows new details of a jet stream that follows a hexagon-shaped path and has long puzzled scientists.

Hidden details of our home galaxy — the Milky Way — are revealed in different wavelengths. 

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.

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

Studying Venus not only teaches us about our own planet, but also about many planets beyond our solar system.

This is a computer simulation of the final stage of the growth of a "clump" in Saturn's rings.

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

A new video from NASA's Dawn spacecraft takes us on a flyover journey above the surface of the giant asteroid Vesta.

Bands of eastward and westward winds on Jupiter appear as concentric rotating circles in a movie composed of Cassini images which have been reprojected to appear as if the viewer were floating over...

On Jan. 22, 2012, the Sun erupted with a solar flare, a coronal mass ejection, and a burst of highly energetic protons known as solar energetic particles.

With Cassini’s exploration of Saturn coming to a dashing end in a few months, the mission team scheduled an “All Cassini Plus Alumni” group photo on Wednesday, June 21,2017 to commemorate the event. 

Cassini mission planners created this animation to showcase Cassini's final 22 orbits - the mission's Grand Finale.

This animation, from Cassini's navigation team, shows the spacecraft's final orbits in 2016 and 2017. 

This video from NASA's Dawn mission shows that the gravity field of Vesta closely matches the surface topography of the giant asteroid Vesta.

NASA's New Horizons spacecraft launched toward Pluto in 2006, but the mission can trace its start back to 1930, when Clyde Tombaugh discovered the small planet and opened the door to a new, mysteri...

Great Red Spot

A curated just-for-kids NASA video playlist. 

Release of Probe

This movie shows clouds in the mid-southern latitudes of Saturn's largest moon, Titan, in a series of images captured by NASA's Cassini spacecraft a few months after fall began in the southern hemi...