Solar System Exploration
December 18, 2015
MESSENGER Venus departure sequence.
A relatively young, ice-filled crater near the north pole of Mars.
The geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2020.
Moon Phase and Libration, 2020
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]
NASA JPL Software Engineer Melissa Soriano describes the third potential target for Scientist for a Day contestants: Pluto's moon Charon.
NASA Scientist for a Day 2019-2020: Target No. 3 - Charon
NASA Oceanographer Yackar Mauzole describes the first potential target for Scientist for a Day contestants: Uranus' moon Miranda.
NASA Scientist for a Day 2019-2020: Target No. 1 - Miranda
NASA/JPL Science Writer Jay Thompson outlines the challenges in the latest Scientist for a Day essay content.
NASA Scientist for a Day 2019-2020: Introduction
NASA Chemist Sabah Bux describes the second potential target for Scientist for a Day contestants: Neptune's moon Triton.
NASA Scientist for a Day 2019-2020: Target No. 2 - Triton
Terraced hills in Arabia Terra, Mars, as seen by NASA's Mars Reconnaissance Orbiter.
What can you see in the December sky? Beautiful pairings of planets and the crescent Moon throughout the month, at sunrise and sunset.
What's Up: December 2019 [Video]
The International Space Station makes a trail of light in front of the Milky Way in this long exposure image.
The View from Earth: Space Station, Jupiter, Milky Way
What's Up for November? Mercury transits across the Sun, and the dimming of the "Demon star," Algol.
What's Up: November 2019 [Video]
Our galaxy, the Milky Way, is seen above the Doll House in this National Park Service photo from Canyonlands National Park.
Milky Way Galaxy Over Canyonlands National Park
Studying Venus not only teaches us about our own planet, but also about many planets beyond our solar system.
Venus: The Mysterious Planet
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
Learn more about black holes, how to find them and how to stay safe should you ever get a chance to visit one.
Guide To Black Hole Safety
This image taken by the Mars Reconnaissance Orbiter spacecraft shows sedimentary rock and sand within Danielson Crater, an impact crater about 42 miles or 67 kilometers in diameter, located in the ...
Layers in Mars' Danielson Crater
The latest view of Saturn from NASA's Hubble Space Telescope captures exquisite details of the ring system.
Saturn's Rings Shine in Hubble Portrait
An avalanche near the north pole of Mars, as observed by the HiRISE instrument aboard NASA's Mars Reconnaissance Orbiter.
In this month's sky, look for lovely crescent Moons at the start and end of the month. The September equinox brings the beginning of fall in the Northern Hemisphere. And Mars is at solar conjunctio...
What's Up Video: September 2019 Skywatching Tips from NASA
How can you communicate with Mars spacecraft when the Sun is in the way? Learn more about 'solar conjunction' in this 60-second video.
Mars in a Minute: What Happens When the Sun Blocks our Signal?
This new Hubble Space Telescope view of Jupiter, taken on June 27, 2019, reveals the giant planet's trademark Great Red Spot.
Hubble's New Portrait of Jupiter
What's Up for August? This month our main focus is the Perseid meteor shower.
What's Up Video: August 2019 Skywatching Tips from NASA
A scaled down version of our popular series of exploration posters.
Solar System and Beyond Trading Cards (Complete Set)
A full-sized, 363-foot Saturn V rocket is projected onto the east face of the Washington Monument.
Apollo 11 Saturn V Rocket Projected On The Washington Monument
The Moon sets behind the Jefferson Memorial in Washington 50 years to the day after astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin launched on Apollo 11, the first mission to land astr...
Moonset on the 50th Anniversary of the Apollo 11 Launch
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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