Solar System Exploration
Our Galactic Neighborhood
April 13, 2016
On July 19, 2013, in an event celebrated the world over, NASA’s Cassini spacecraft slipped into Saturn’s shadow and turned to image the planet, seven of its moons, its rings — and, in the backgroun...
The Day the Earth Smiled Lithograph
On October 15, 1997, the Cassini–Huygens spacecraft was launched on an almost 7-year journey to the Saturn system. On its way, Cassini– Huygens passes Venus (twice), Earth, and Jupiter — arriving a...
Cassini-Huygens Spacecraft Lithograph
Learn about ocean worlds and their potential for harboring life in this handout.
Ocean Worlds Lithograph
Enceladus (pronounced en-SELL-ah-dus) is an icy moon of Saturn with remarkable activity near its south pole. Covered in water ice that reflects sunlight like freshly fallen snow, Enceladus reflects...
Enceladus, Moon of Saturn Lithograph
The Cassini–Huygens spacecraft was launched from Cape Canaveral Air Station in Florida at 4:43 a.m. Eastern Daylight Time (1:43 a.m. Pacific Daylight Time) on October 15, 1997, aboard a Titan IVB w...
Cassini-Huygens Launch Lithograph
This free NASA e-Book celebrates Saturn as seen through the eyes of the Cassini spacecraft.
The Saturn System Through the Eyes of Cassini (e-Book)
Launched in 1997 on a nearly seven-year journey, the Cassini–Huygens spacecraft arrives at the ringed planet on July 1, 2004, for a four-year scientific tour of the Saturn system.
Cassini-Huygens Mission to Saturn and Titan Lithograph
Cassini–Huygens is a robotic spacecraft: that means that Cassini– Huygens is controlled by people on Earth.
Spacecraft Components Lithograph
Because the rockets we now have are not large enough to send a spacecraft as massive as Cassini–Huygens directly to Saturn, and because the spacecraft cannot carry enough fuel to take it directly f...
VVEJGA Trajectory Lithograph
Saturn, Jupiter, and Mars. Skull Valley, Utah.
Three Planets Over Earth
Venus and Jupiter part ways following their March 1 rendezvous, while Ceres reaches opposition, and is worth hunting for using binoculars.
What's Up: March 2023 Skywatching Tips from NASA
Look for the charioteer constellation, Auriga, along with two easy-to-locate star clusters, M41 and M47. And watch as Jupiter and Venus get close.
What's Up: February 2023 Skywatching Tips from NASA
This visual reveals how the magnetic field associated with the Psyche spacecraft distorts the ambient magnetic field to be measured.
Magnetic Field of the Psyche Spacecraft Immersed in the Interplanetary Magnetic Field (IMF)
The Psyche spacecraft includes many unavoidable magnetic field sources, which must be accounted for to measure the magnetic field signature of the Psyche metal-rich asteroid.
Magnetic Field of the Psyche Spacecraft
A whimsical collection of cosmic candies. Ready to download and share.
Cosmic Candies (Artist's Concept)
Some close approaches by Mars, Jupiter, the Moon, Venus, and Saturn, plus the brilliant winter stars, and a comet you can find with binoculars.
What's Up: January 2023 Skywatching Tips from NASA
The 2023 phases of the Moon at hourly intervals.
Moon Phases 2023
NASA’s SunRISE will send a fleet of six SmallSats into orbit around Earth to work as one radio telescope to investigate radio waves from the Sun.
NASA Facts: SunRISE | Six Small Satellites to Study the Sun
The Heliophysics Big Year is a NASA-led public engagement campaign designed to promote heliophysics broadly, make heliophysics science and information accessible to all, and showcase ongoing effort...
Heliophysics Big Year Assets
This fact sheet, available to download in color and grayscale, provides information about eclipses and how to watch this one safely.
October 14, 2023 Annular Eclipse Fact Sheet
The Moon occults Mars, and slips past Jupiter twice, while winged stallion Pegasus looks on.
What's Up: December 2022 Skywatching Tips from NASA
A total lunar eclipse, Leonid meteors, and the Moon visits Mars, Saturn, and Spica.
What's Up: November 2022 Skywatching Tips from NASA
Happy Halloween, space explorers. Perhaps you could carve a few moments out of your busy schedule to join me for a haunted hayride to some of the more disturbing destinations of your sinister littl...
Haunted Hayride through the Sinister Solar System
OSIRIS-REx returns to Earth in 2023 with its precious sample of asteroid Bennu.
OSIRIS-REx Return Cruise from Asteroid Bennu to Earth
NASA’s Lucy mission is heading to the Jupiter Trojans – but first, it's returning home for an Earth gravity assist.
Lucy Spacecraft Will Slingshot Around Earth
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In a first, scientists have seen direct evidence of active volcanism on Earth’s twin, setting the stage for the agency’s VERITAS mission to investigate.
Magellan Data Reveals Volcanic Activity on Venus
New Horizons continues to shed light on the mysterious planets and smaller bodies of the outer solar system.
New Horizons Team Discusses Discoveries from the Kuiper Belt
Research reveals a new explanation for how the icy shell of Jupiter’s moon Europa rotates at a different rate than its interior.
Ocean Currents May Affect Rotation of Europa's Icy Crust
Based on observations from several NASA missions, the map details the path of the Moon’s shadow as it crosses the contiguous U.S. during eclipses in 2023 and 2024.
New NASA Map Details 2023 and 2024 Solar Eclipses in the US
Venus may be losing heat from geologic activity in regions called coronae, possibly like early tectonic activity on Earth.
Venus' ‘Squishy' Outer Shell May Be Resurfacing the Planet
Dr. Nicola Fox will serve as the associate administrator for the agency’s Science Mission Directorate.
NASA Administrator Selects New Head of Science