Solar System Exploration
August 28, 2007 CHARM Telecon
August 28, 2007
HYPERION: The Sponge Moon
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
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.
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NASA astronauts Robert Behnken and Douglas Hurley have joined the International Space Station's Expedition 63 crew.
NASA's First Commercial Crew Astronauts Join Expedition 63
For the first time, NASA astronauts launched from U.S. soil in a commercially built and operated spacecraft.
NASA, SpaceX Launch First Astronauts From U.S. Soil Since 2011
Swirling galaxy NGC 3895 would not look out of place on a coffee made by a starry-eyed barista.
Hubble Grabs a Stellar Latte
Astronomers using the Chandra X-ray Observatory spotted a black hole hurling hot material into space at close to the speed of light.
Black Hole Outburst Caught on Video
Astronomers using NASA's Hubble Space Telescope are finding planets have a tough time forming in the crowded Westerlund 2 star cluster.
In Planet Formation, It's Location, Location, Location
Ice-blue clouds are drifting over the Arctic and that means noctilucent cloud season is here.
NASA's AIM Spots First Arctic Noctilucent Clouds of the Season