Solar System Exploration
Great Dark Spot
September 17, 2004
Great Dark Spot
Dawn spacecraft successfully launched September 27th, 2007.
NASA's Dawn Spacecraft Launches September 27, 2007
Rotating asteroids have a tough time sticking to their orbits. Their surfaces heat up during the day and cool down at night, giving off radiation that can act as a sort of mini-thruster.
How Sunlight Pushes Asteroids
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...
Dark Hill on Asteroid Vesta Movie
In this movie from NASA's Cassini spacecraft, the gravitational pull of Saturn's moon Prometheus creates patterns in Saturn's F ring.
F Ring Patterns
Final Assembly at the Cape
Final Assembly at the Cape
This movie shows what it was like for NASA's Stardust spacecraft to fly by comet Tempel 1.
Stardust Swoops by Tempel 1
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.
InSight Mission to Mars Launch
: 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.
Cassini Noodle Mosaic of Saturn
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 ...
Nevertheless, It Moves
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)
Recent findings have led scientists to believe Saturn's moon Titan may have a volcano.
Possible Titan Volcano
With fingers crossed and eyes wide open, sci-fi fans and scientists savor the joys of discovery...at Iapetus.
Backstage Pass to Iapetus (2007)
Everyone likes to check the weather in a far away destination before they travel there. This is especially true for spaceflight, where the destination may be where no one has gone before.
Space Weather to the Edge of the Solar System
This video from NASA's Dawn mission shows that the gravity field of Vesta closely matches the surface topography of the giant asteroid Vesta.
Vesta's Shape and Gravity
A new video from NASA's Dawn spacecraft takes us on a flyover journey above the surface of the giant asteroid Vesta.
NASA's Journey Above Vesta
As millions of people observed the total lunar eclipse on October 8, 2014, MESSENGER was also watching from Mercury.
Lunar Eclipse From Mercury
NASA's Cassini spacecraft, in orbit around Saturn for nearly 13 years, is beginning its Grand Finale — and it's thanks to some Crazy Engineering! A team of engineers called astrodynamicists use ma...
Crazy Engineering: Astrodynamics
See all the planets, plus mission updates from comet and asteroid missions Dawn and Rosetta.
Whats Up? February 3, 2014
Ben Holt tells how he fell in love with the ocean as a teenager and how that lead to a career as a research scientist.
Through the Eyes of Scientists - Meet Ben Holt
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
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
Keeping a close watch on the outer portion of Saturn's B ring, NASA's Cassini spacecraft records the complex inward and outward movement of the edge of the ring.
Galactic Behavior for the Outer B Ring
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...
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
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An international team has found sugars essential to life in meteorites. The new discovery adds to the growing list of biologically important compounds found in meteorites.
First Detection of Sugars in Meteorites Gives Clues to Origin of Life
NASA has added five American companies to the pool of vendors that will be eligible to bid on proposals to provide deliveries to the surface of the Moon.
New Companies Join Growing Ranks of NASA Partners for Artemis Program
The first map showing the global geology of Saturn's largest moon, Titan, has been completed and fully reveals a dynamic world of dunes, lakes, plains, craters and other terrains.
The First Global Geologic Map of Titan Completed
A research team led out of NASA’s Goddard Space Flight Center has detected water vapor for the first time above Europa’s surface.
NASA Scientists Confirm Water Vapor on Europa
Naiad and Thalassa race around the ice giant in odd orbits seemingly to avoid each other.
NASA Finds Neptune Moons Locked in ‘Dance of Avoidance'
On Nov. 12, 2019, NASA’s Parker Solar Probe team released scientific data collected during the spacecraft’s first two solar orbits to the general public.
First Parker Solar Probe Science Data Released to Public