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?
What Do You Get When Two Neutron Stars Collide?
To define the location of objects in the sky, astronomers utilize a system of celestial coordinates, which extends latitude and longitude from Earth's surface into space.
By Patrick J. Kiger Jun 13, 2018
Once upon a time, the sun caught an interstellar orphan and adopted it as its own. It's named 2015 BZ 509.
By Ian O'Neill May 23, 2018
Europa might be ready to let us in on a secret.
By Ian O'Neill May 17, 2018
Some scientists think the existence of plate tectonics could be a prerequisite for life. So do they exist on other planets outside of Earth?
By Mark Mancini May 9, 2018
Astronomers have just discovered a gas in Uranus' clouds that does nothing to help the planet being taken seriously.
By Ian O'Neill Apr 24, 2018
It's been a while since the sun has hung out with its brothers and sisters in the same stellar nursery, but they're definitely out there, and citizen scientists can help find them.
By Ian O'Neill Apr 23, 2018
No one knew exactly what the deal was with ureilites, a rare type of meteorite, until now.
By Ian O'Neill Apr 20, 2018
Take that, stars!
By Ian O'Neill Apr 12, 2018
Yep, 'Oumuamua was probably kicked out of its own star system by an overbearing gas giant like Jupiter.
By Ian O'Neill Mar 30, 2018
Everyone's heard of the blue moon and the harvest moon, but did you know every single moon of the year has a name? Who named them and what do the names mean?
By Nathan Chandler Mar 30, 2018
Scholz's star buzzed our solar system back when humans and Neanderthals roamed the planet. Turns out that encounter may have shaken up a whole bunch of comets.
By Ian O'Neill Mar 23, 2018
Beneath Jupiter's famous swirls and stripes is an environment that's completely unlike anything on Earth.
By Ian O'Neill Mar 9, 2018
In 2019, the moon will be getting its own 4G network. That could be better service than some of us have here on Earth.
By Nathan Chandler Feb 28, 2018
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
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
Chippy, Sniggy and Tiggy: Cutest Goblin Spiders Ever?
U.S. Trans Fat Ban Goes Into Effect. Almost.
Why You Shouldn't Ignore a Recall on Your Car