Arrival at Saturn

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

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

What can you see in the February sky? Stars and planets with distinct red and blue colors, like Mars and Sirius.

Dark spokes dance around Saturn's B ring in this series of movies comprised of images taken with Cassini's wide-angle camera.

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.

NASA JPL Software Engineer Melissa Soriano describes the third potential target for Scientist for a Day contestants: Pluto's moon Charon.

Flight across Titan

Mark Hofstadter describes the lure of science -- of discovering something new -- and his path to becoming a planetary scientist.

The geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2020.

This animation shows the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2019, at hourly intervals. The imagery is based on actual dat...

This animation re-creates the final descent of ESA's Huygens probe as it landed on Titan on Jan. 14, 2005, after it was dropped off by NASA's Cassini spacecraft.

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

Lloyd French talks about the adventures that await in science and in life.

Ranger 9 was the last of the Ranger series of spacecraft launched in the 1960s to explore the moon and was designed to image and impact the moon's crater Alphonsus. This video from 1965 includes im...

Actual images of the July 4, 2005 impact of the Deep Impact probe into comet Tempel 1.

Bob Anderson describes his work as a geologist who helps design and uses robots to collect data about Mars.

Animation of Cassini's final orbit, leading to a pass by the moon Titan which sends the spacecraft plunging into Saturn on Sept. 15, 2017. 

As Titan Turns

Vesta and Ceres reside in the boundary area of the asteroid belt, where the composition of bodies changes from being almost dry to showing the effects of hydration.

SDO collected images of the rarest predictable solar event—the transit of Venus across the face of the Sun in 2012.

RSP Installaton

In this movie, strung together from a series of images provided by the framing camera on NASA's Dawn spacecraft, we see a full rotation of Vesta, which occurs over the course of roughly five hours. 

Probe Landing on Titan

NASA's Dawn spacecraft flys over dwarf planet Ceres which Dawn has been orbiting for mre than a year, providing us with fascinating views of an alien world.

Ring World Highlights