Solar System Exploration
December 18, 2015
MESSENGER Venus departure sequence.
The Seven Sisters meet the evening star, Mars continues its getaway, and unpacking the Moon illusion.
What's Up Video: April 2020 Skywatching Tips from NASA
A curated just-for-kids NASA video playlist.
NASA at Home: Videos for Kids
What's Up for March? Planet-palooza in the morning, a "Sirius" look at the Dog Star, and an evening trio at the end of the month.
What's Up: March 2020 [Video]
Astronomy highlights for February 2020: it's the best time of the year to view Mercury; Mars disappears behind the Moon; and the bright red star on Orion’s shoulder, Betelgeuse, has been acting wei...
What's Up: February 2020 [Video]
Candor Chasma in central Valles Marineris is filled with light-toned layered deposits thought to be sandstones.
Sandstone in West Candor Chasma
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?
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NASA has selected a new mission to study how the Sun generates and releases giant space weather storms into planetary space.
NASA Selects Mission to Study Causes of Giant Solar Particle Storms
Unbeknownst to scientists, 34 years ago Voyager 2 flew through a plasmoid, a giant magnetic bubble that may have been whisking Uranus’s atmosphere out to space.
Revisiting Decades-Old Voyager 2 Data, Scientists Find One More Secret
NASA's Curiosity Mars rover recently set a record for the steepest terrain it's ever climbed. And before doing that, the rover took a selfie, capturing the scene.
Curiosity Mars Rover Takes a New Selfie Before Record Climb
With the launch period for NASA's Mars Perseverance rover opening in July, the six-wheeler is reaching significant pre-launch milestones almost daily.
Mars Perseverance Rover Gets Its Sample Handling System
Benben Saxum and 11 other features on the asteroid are the first to receive official Bennu feature names approved by the International Astronomical Union (IAU).
First Official Names Given to Features On Asteroid Bennu
NASA's next Mars rover has a new name – Perseverance.
Virginia Middle School Student Earns Honor of Naming NASA's Next Mars Rover