"If the Earth System gets into the region of chaotic behavior, we will lose all hope of somehow fixing the problem." When you purchase through links on our site, we may earn an affiliate commission.

Our solar system was long considered a template for all planetary systems. In the last 25 years, however, it has quickly and firmly become an outlier for lacking its own super-Earth.

Neptune, however, is four times wider and 17 times more massive than the Earth. In our solar system, there is nothing that lies on the scale between the two.

(Image credit: Oliver Hull/Monash University) Earth may have sported a Saturn-like ring system 466 million years ago, after it captured and wrecked a passing asteroid, a new study suggests.

Scientists say an Earth-like world could be hiding within our Solar System Japanese astronomers propose another planet that's closer than Planet Nine READ MORE: Does Planet Nine even exist?

In space terms, our solar system is like a calm pond, but even the smallest pebble can cause ripples. According to the study in Icarus, a passing star within 10,000 astronomical units (AU) could ...

Scientists have discovered an ancient ocean floor between Earth's core and mantle. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.