Solar System Exploration
The Grand Finale
August 31, 2018
Cassini's final moments.
Seeking August 2020 skywatching highlights? The Moon poses with the planets, and the Perseid meteors peak!
What's Up: August 2020 [Video]
Comet C/2020 F3 (NEOWISE) over Deer Valley, Utah.
Comet C/2020 F3 (NEOWISE) Over Utah
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
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The SpaceX Crew Dragon splashed down under parachutes in the Gulf of Mexico on Sunday.
Astronauts Splash Down after First Commercial Crew Flight to ISS
Scientists have developed a new model that predicted seven out of nine of the Sun’s biggest recent flares.
NASA Sun Data Helps New Model Predict Big Solar Flares
Researchers have designed an ambitious observing program that will conduct some of Webb's first scientific observations.
NASA's Webb Telescope Will Study Jupiter, Its Rings, and Two Intriguing Moons
Star cluster NGC 2203 has helped astronomers puzzle together the lifetimes of stars.
Hubble Peeks at Stellar Treats
The second to last piece of hardware for the Artemis I test flight around the Moon has arrived at Kennedy Space Center.
Key Connection for Artemis I Arrives at Kennedy
NASA and SpaceX will make a decision on a primary splashdown target approximately 6 hours before undocking Saturday.
NASA and SpaceX Remain GO for Splashdown