More than 1 million "interstellar objects" the size of the Statue of Liberty could be drifting unseen in the outer solar ...

Outer Wilds is a 2020 space exploration puzzle game developed by Mobius Digital. The game puts you in the shoes of an astronaut who tries to study his solar system that is stuck in a 22-minute ...

James Unwin: If we do do our searches and it turns out that there is a planet in the outer solar system, this would be an absolutely incredible discovery. Such a strange planet on such an odd orbit.

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by warping the orbits of the four outer planets, a new study suggests.

And that is always a moving experience.” Brown is still busy investigating the outer solar system, but he managed to tear himself away to discuss the next big mysteries in our corner of the ...

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their proximity also offers ample opportunities to learn more about the ...