In the Solar System Channel, you can explore the planets and celestial objects around our own sun. Learn about topics such as Mars, Jupiter and the Moon.
Icy Comets Orbiting a Star Like Our Sun Spotted for the First Time
The Hitomi Satellite Briefly Glimpsed the Universe, Then Died — What Happened?
The Monster Star That Refuses to Die: Could Antimatter Be Fueling Its Supernovas?
The term "blue moon" dates back to at least the 16th century. Since then, it's had several different definitions, many of which are contradictory. So what's a blue moon today?
By Mark Mancini Jan 25, 2018
It all started with the suspicious behavior of a single star.
By Ian O'Neill Jan 17, 2018
All those intrepid colonists are going to need a plentiful supply of water, and it turns out that accessing one may not be as hard as we thought.
By Ian O'Neill Jan 15, 2018
The apparently random flashes in the sky known as FRBs have resisted being pinned down by astronomers. Until now.
By Ian O'Neill Jan 12, 2018
2018 should be a glorious year to turn your gaze skyward. Here's what to watch for.
By Christopher Hassiotis Jan 10, 2018
It wasn't quite as loud as you might imagine.
By Melanie Radzicki McManus Jan 10, 2018
The moon won't look blue though; it will likely look red.
By Mark Mancini Jan 9, 2018
Prepare to be dazzled!
By Christopher Hassiotis Dec 13, 2017
When our planet was young, it took a beating from an unrelenting storm of planetesimals falling from the skies. Some of that debris meant more gold for the planet.
By Ian O'Neill Dec 11, 2017
It's the first interstellar rock we've ever found!
By Ian O'Neill Nov 22, 2017
How galaxies get their shapes and evolve is widely debated.
By Mark Mancini Nov 22, 2017
The annual Leonid meteor shower is back, and peaks the in the early-morning hours of November 17 and 18. It's made up of tiny bits of debris from the comet Tempel-Tuttle.
By Patrick J. Kiger Nov 13, 2017
Why not cylindrical? Or even cube-shaped?
By Mark Mancini Oct 30, 2017
Things are getting a little more interesting out in Pluto's neighborhood.
By Jesslyn Shields Oct 20, 2017
Every autumn, Earth passes through a stream of debris left by Halley's Comet, resulting in nighttime meteor showers in mid-October.
By Patrick J. Kiger Oct 16, 2017
Drop your keys and grab your skis. There's fresh Martian powder out there, as new NASA photos reveal in stunning detail.
By Chris Opfer Aug 28, 2017
On Friday, Sept. 1, a large asteroid named Florence will zip by at a distance of about 4.4 million miles (7 million kilometers) — a tiny distance relative to the entirety of the universe.
By Patrick J. Kiger Aug 25, 2017
You probably have several pairs of eclipse glasses left over from the big total solar eclipse. Don't trash them — recycle, reuse or donate them instead.
By Sarah Gleim Aug 23, 2017
The first total solar eclipse to cross the United States in almost 100 years leaves the country mesmerized.
By Sarah Gleim Aug 22, 2017
After all, it's not just the light that changes when the moon passes in front of the sun.
By Tracy Staedter Aug 7, 2017
And don't worry. Even if NASA misses, we'll be fine.
By Ian O'Neill Aug 3, 2017
Small towns in Idaho, Nebraska and Illinois are trying to figure out how to handle an unknown number of eclipse-trippers. Estimates range from 40,000 to 80,000 visitors.
By Dave Roos Jul 27, 2017
All of a sudden that longed-for moon base doesn't seem quite so far-fetched.
By Ian O'Neill Jul 25, 2017
Check out this video of what astronauts in space see as the shadow of the moon crosses our planet.
By Christopher Hassiotis Jul 25, 2017
The total solar eclipse will be visible across North America on Aug. 21. Here's some information on how to view it safely, and what scientists may learn from it.
By Patrick J. Kiger Jul 17, 2017
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