Flight across Titan

This image shows that NASA's Dawn mission detected abundances of hydrogen in a wide swath around the equator of the giant asteroid Vesta. The hydrogen probably exists in the form of hydroxyl or wat...

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 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.

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 ...

NASA’s first asteroid sample return mission, OSIRIS-REx, will make a daring attempt to “TAG” asteroid Bennu.

Listen closely to new sounds from Mars recorded by NASA’s Perseverance Mars rover.

Perseverance has a twin: Meet OPTIMISM

Go behind the scenes to see how NASA created its "Visions of the Future" posters.

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...

This movie, comprised of several detailed images taken by Cassini's radar instrument, shows bodies of liquid near Titan's north pole.

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

Arrival at Saturn

RSP Installaton

This animated movie shows the simulated solar wind velocity from March 21 to May 10, 2013. 

While NASA's Cassini spacecraft was pointed to study Saturn's F ring, it happened to catch a globular star cluster passing through the camera's field of view.

October 2021 skywatching highlights: Find the Moon with Venus and Arcturus after sunset, and Regulus and Mercury before sunrise. And get to know Vega and Deneb, two of the brightest stars in the No...

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

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...

OSIRIS-REx Prepares to Grab Sample of Asteroid Bennu

After a 15-year wait, equinox arrived at Saturn and Cassini was there to witness the spectacle of light and shadow.

This new animation shows us that Saturn's moon Titan has more in common with Earth than we thought.

This graphic shows a 3-D model of 98 geysers whose source locations and tilts were found in a Cassini imaging survey of Enceladus' south polar terrain by the method of triangulation.

Phillip Chamberlin expresses his enthusiasm for science and describes how he became a research astrophysicist.

How can you communicate with Mars spacecraft when the Sun is in the way? Learn more about 'solar conjunction' in this 60-second video.

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.