Discover why the solar system's planets are arranged as they are, shaped by formation conditions and planetary migration.

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

Explore the wonders of our solar system in "25 Insanely Cool Things In Our Solar System"! WATCH OUR OTHER VIDEOS: ►25 ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

NASA has confirmed that there are over 6,000 exoplanets floating out there in the galaxy, with another 8,000 exoplanets that ...

Scientists found a mysterious rogue planet roaming aimlessly outside our solar system. What if it came closer?

Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

RUSSELLVILLE, Missouri -- For the first time in decades, Cole R-1 Elementary School has a gifted education program. The ...

Solar power would expand because of a combination of declining panel prices and increasing efficiency. Today, a highly ...

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

The moon is pretty inhospitable to humans, but recent research has found that it's surprisingly possible for breathable air ...