Solar System Exploration
RTG fit and test
September 17, 2004
RTG fit and test
What can you see in the October sky? Join the global celebration of International Observe the Moon Night on Oct. 5th, then try to catch the ice giant planets Uranus and Neptune.
What's Up Video: October 2019 Skywatching Tips from NASA
Team members reflect on Spirit's six-years of roving Mars.
Spirit's Triumphs on Mars
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.
Changing View of the Enceladus Plume
For 13 years the spacecraft’s incredible, truly otherworldly images have revealed the wonder of Saturn in surprising, often awe-inspiring ways.
Cassini: The Wonder of Saturn (Video)
NASA's Dawn mission will be the first to explore a dwarf planet on March 6, 2015. This video details the spacecraft's approach and orbit insertion.
Destination Dwarf Planet: Dawn Approaches Ceres
What's Up for January? Morning meteors, Mars meets its "rival," and the Moon comes around for another visit with Venus.
What's Up: January 2020 [Video]
Celebrate Earth Day 2018 with these images of Earth from afar.
Earth from Afar
Explore the process that Johannes Kepler undertook when he formulated his three laws of planetary motion.
Orbits and Kepler's Laws
Where is the edge of the solar system? The answer is not so simple.
Where is the Edge of the Solar System?
Scientists working with NASA's Dawn spacecraft have created a new video showing the giant asteroid Vesta as the spacecraft approaches this unexplored world in the main asteroid belt.
Vesta's Surface Comes into View
Hidden details of our home galaxy — the Milky Way — are revealed in different wavelengths.
Milky Way in Multiple Wavelengths
The inside story of Apollo 8's iconic "Earthise" photo.
The Story Behind Apollo 8's Famous Earthrise Photo
A simplified model of Jupiter's massive magnetic field, known as a magnetosphere.
Jupiter's Magnetic Field Visualization
What can you see in the April sky? The Moon visits Mars in the evening, and later joins Saturn and Jupiter for a spot of tea. Also, how to find Polaris, the North Star.
What's Up: April 2019 Skywatching from NASA
This is an animated artist interpretation of the area surrounding the Huygens landing site, based on images and data returned Jan. 14, 2005.
Huygens Landing Site Revisited
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...
Titan's Moving Mid-Latitude Clouds
This time-lapse video captures a portion of the path that tiny Phobos takes around Mars.
Hubble Sees Phobos Orbiting Mars
This animation illustrates Jupiter's magnetic field.
Jupiter's Magnetic Field
This animation illustrates the path the Cassini spacecraft will take during its four year mission at Saturn.
Cassini Tour Petal Plot
A shortened, 54-second version of Cassini's Grand Finale animation showing the spacecraft's final moments.
Cassini's Final Moments
A meteor shower produced by debris from Halley's Comet, asteroids named after dinosaurs, and a "blue moon" on May 18th.
What's Up: May 2019 Skywatching from NASA
Radar Mapping Titan
Radar Mapping Titan
This animation shows the Cassini-Huygens spacecraft being captured in orbit at Saturn in 2004.
Cassini Tour Beginning
This video takes viewers on a virtual tour of Vesta's south polar basin, the 'snowman' set of craters and a crater called Oppia.
Touring Vesta's Craters
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In a 10-plus-hour marathon, the rover steered, turned and drove in 3-foot (1-meter) increments over small ramps.
NASA's Mars 2020 Rover Completes Its First Drive
NASA’s Solar Dynamics Observatory has observed a magnetic explosion the likes of which have never been seen before.
NASA's SDO Sees New Kind of Magnetic Explosion on Sun
Researchers have created the first map of wind circulation in the upper atmosphere of a planet besides Earth, using data from NASA’s MAVEN spacecraft.
NASA's MAVEN Maps Winds in the Martian Upper Atmosphere that Mirror the Terrain Below and Gives Clues to Martian Climate
This year, the peak is during the overnight hours of December 13 and into the morning of December 14.
Catch the Geminids Meteor Shower Dec. 13-14
Jupiter's south pole has a new cyclone.
NASA's Juno Navigators Enable Jupiter Cyclone Discovery
After a year scoping out asteroid Bennu’s boulder-scattered surface, the team leading NASA’s first asteroid sample return mission has officially selected a sample collection site.
X Marks the Spot: NASA Selects Site for Asteroid Sample Collection