Solar System Exploration
December 18, 2015
MESSENGER Venus departure sequence.
Seeking July 2020 skywatching highlights? Check out giant planets and their moons, Mars rising after midnight and ponder stargazing on the Red Planet.
What's Up: July 2020 [Video]
This newly processed image of Venus revisits original Mariner 10 data with modern image processing software.
Newly-Processed Views of Venus from Mariner 10
Seeking skywatching highlights in June 2020? Look for the Summer Triangle, keep tabs on the morning planets and June 20 brings the solstice.
What's Up: June 2020 [Video]
Known as the "Mother of Hubble," Dr. Nancy Grace Roman was instrumental in taking the Hubble Space Telescope from an idea to reality.
NASA's First Chief Astronomer, the Mother of Hubble
What astronomy highlights can you see in the sky in May 2020? Venus, Sirius and the Milky Way.
What's Up Video: May 2020 Skywatching Tips from NASA
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
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Team with NASA to send off the Perseverance rover to Mars – from the convenience of your own home.
Join NASA for the Launch of the Mars 2020 Perseverance Rover
Warmer than average sea surface temperatures in the tropical North Atlantic Ocean have elevated the risk of fires in the southern Amazon.
Conditions Ripe for Active Amazon Fire, Atlantic Hurricane Seasons
NASA's Perseverance Mars rover has been attached to the rocket that will send it to the Red Planet this summer.
NASA's Perseverance Rover Attached to Atlas V Rocket
Russia’s Progress 74 (74P) cargo craft departed the International Space Station leaving four spaceships parked at the orbital lab.
Russian Cargo Ship Leaves; Crew Tests Dragon's Comfort Factors
A proposed mission called VERITAS seeks to transform our understanding of Venus.
VERITAS: Exploring the Deep Truths of Venus
A comet visiting from the most distant parts of our solar system is putting on a spectacular nighttime display.
Comet NEOWISE Slides by Sun, Provides Treat for Observers