Voyage of Discovery

The six Apollo landing sites are revealed chronologically as the phase and libration of the Moon is shown throughout the Apollo era. 

NASA's twin GRAIL spacecraft have new names, thanks to some enthusiastic 4th graders from Montana, who reveal the names in dramatic fashion.

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

This animation shows "beacons" of hot air seen in the infrared that appeared during a great springtime storm on Saturn from January 2011 to March 2012. 

This time-lapse video captures a portion of the path that tiny Phobos takes around Mars. 

This short animation created by Cassini's mission planning team shows how a Titan flyby will be used to move the spacecraft's course from orbiting Cassini's outer ring (F ring) to an orbit that tak...

Cassini stares deep into the swirling hurricane-like vortex at Saturn's south pole, where the vertical structure of the clouds is highlighted by shadows. 

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

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.

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

The inside story of Apollo 8's iconic "Earthise" photo.

What's Up for November? Mercury transits across the Sun, and the dimming of the "Demon star," Algol.

This mosaic strip – extending across the hemisphere that faced the New Horizons spacecraft as it flew past Pluto on July 14, 2015 – now includes all of the highest-resolution images taken by the NA...

This animated sequence of images, captured by NASA's Cassini spacecraft, shows changes in the brightness of the Enceladus plume during a 6.5-hour observation.

The Sun as seen in multiple wavelengths of light by NASA's Solar Dynamics Observatory over four days in August 2018.

In this Voyager Update from the night of the Neptune encounter (25 August 1989), now Voyager Project Manager, Suzy Dodd speaks with such guests as Jay Holberg and Bill Kurth concerning the Voyager ...

This still from a movie shows an image taken by NASA's Dawn spacecraft layered on a digital terrain model of an unusual hill containing a dark-rayed impact crater and nearby dark deposit on asteroi...

Soar over the giant asteroid Vesta in 3-D. Put on your 3-D glasses for this ride over asteroid Vesta.

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

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

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.

We know what the Red Planet looks like from the outside – but what's going on under the surface of Mars?

Glowing like a neon lasso, Saturn’s aurora is seen spinning above Saturn’s north pole over the course of most of a Saturn day in this movie made from multiple images taken by the ultraviolet imagin...

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. 

As the moon Enceladus eclipses its neighbor Mimas, Cassini records a scene possible only around the time of Saturn's approaching equinox.