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?
Why Do Stars Twinkle?
It's a celestial gift in the middle of August. Just look up. At night.
By Christopher Hassiotis Aug 9, 2018
But don't buy your lakefront property just yet.
By Patrick J. Kiger Aug 7, 2018
Scientists recently found 12 more moons revolving around Jupiter, bringing its total to 79. Why does Jupiter have so many darn moons? Is there any advantage to that?
By Mark Mancini Jul 27, 2018
It's the second lunar eclipse of 2018, but it will last longer than any other during the 21st century.
By Mark Mancini Jul 16, 2018
Mars Close Approach is July 31, 2018. That is the point in Mars' orbit when it is nearest to Earth.
By Laurie L. Dove Jul 10, 2018
The days are getting longer, but don't worry about changing your clocks.
By Chris Opfer Jul 3, 2018
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
Pink Tax: 5 Things Women Are Forced to Pay More for Than Men
Dogs Love Rolling in Stinky Stuff
Sorry, But Speed Traps Aren’t Actually Entrapment