OSIRIS-REx Orbits

Following critical mirror alignment steps, the Web team is confident the observatory will meet or exceed its science goals.

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

This short animation created by Cassini's mission planning team shows the spacecraft's final orbits - starting with the Ring-Grazing orbits in November 2016 and transitioning to the Grand Finale or...

This infrared movie from NASA's Cassini mission shows the churning of the curious six-sided jet stream at Saturn's north pole known as "the hexagon."

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

The four changes of the seasons, related to the position of sunlight on the planet, are captured in this view from geosynchronous Earth orbit by EUMETSAT's Meteosat-9 satellite. 

This three-frame animation from NASA's Cassini spacecraft shows the swirling clouds in a vortex spawned by a great northern storm on Saturn. The clouds are moving in a clockwise direction.

A mission concept to explore Saturn's moons Titan and Enceladus.

This movie captured by NASA'S Cassini spacecraft shows a south polar vortex, or a swirling mass of gas around the pole in the atmosphere, at Saturn’s moon Titan.

The volcanic peak Idunn Mons (at 46°S, 214.5°E) in Imdr Regio. 

On unexplored worlds, the sound of science is a harmonious melody of chimes, clicks and mechanical whirrs.

From aboard NASA's Armstrong Flight Research Center G-III aircraft, this wide angle video of the moon's umbra was captured as they flew over the coast of Oregon, near Lincoln City at 35,00 feet dur...

This movie, made from data obtained by NASA's Cassini spacecraft, shows Saturn's southern aurora shimmering over approximately 20 hours as the planet rotates.

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...

RSP Installaton

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.

See all the planets, plus mission updates from comet and asteroid missions Dawn and Rosetta.

The small moon Mimas passes in front of the larger moon Rhea, which is partly obscured by Saturn's rings, in this movie from NASA's Cassini spacecraft.

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.

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

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...

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

OSIRIS-REx has imaged Bennu in higher resolution than we have Earth and our own Moon. Since its arrival at the asteroid on Dec. 3, 2018, the spacecraft has discovered boulders the size of buildings...

: 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 video shows the intriguing Occator Crater on Ceres, home to the dwarf planet's brightest area.