Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is half Pluto’s, ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

NASA has revealed that they have sent a man-made machine further than they ever have before, and they said they made an odd ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.