The Solar System

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.

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Uranus Explained

Uranus is the seventh planet from the sun, and is named for the ancient Greek deity of the Heavens, the earliest supreme god. It is the third largest planet in the solar system, and is three times as large as Earth.


Total Solar Eclipse on Aug. 21, 2017: When, Where and How to See It

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.

Uranus' Magnetosphere Is Pretty Strange

Everyone's favorite ice giant is weird in more ways than one.

Ancient Impacts Blasted Out Giant Sideways Tornadoes, Shaping the Surface of Mars

Brown University researchers have found evidence that in its distant past, Mars experienced 500-mph cyclones that rolled sideways across the planet's surface.

New Juno Data Reveals Jupiter Is Much More Complicated Than Expected

New Jupiter information gathered by NASA's Juno space probe is in, and it reveals that the solar system's biggest world has surprising features that may alter our concept of how gas giants work.

'Steve' Lights Up Night Sky and Puzzles  Astronomers

A beautiful ribbon of light in the nighttime sky is generating a lot of talk — and some mystery, too.

Building Sand Castles on Titan Would Be As Awesome As It Sounds

The strange forces at work on Saturn's largest moon would make for some sweet sand castles.

Mars Has a Magnetosphere Problem. Inflatables Could Help

And solving that issue could go a long way toward making our planetary neighbor habitable.

If Your Laptop or Phone Keeps Crashing, Maybe Blame Cosmic Rays

Energized subatomic particles bombarding Earth from outer space can cause the electronics inside laptops, cell phones and other devices to crash.

NASA Announces New Solar System Packed With Seven Planets

Say hello to the newly discovered TRAPPIST-1 system, which is just 39 light-years away and filled with seven Earth-like planets.

Massive Lunar Lava Tubes Could Become Home for Moon Colonists

Satellites have found evidence of massive underground channels formed by molten rock on the moon. They could be stable enough to house lunar pioneers, a study suggests.