Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

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.

Ever found yourself staring at the stars and wondering if those far-off planets have anything to do with what’s happening ...

Narrator: Further from the Sun, in the outer reaches of the solar system, we find the gas planets. Much larger than the rocky planets, these cosmic giants are accompanied by numerous moons.

The Outer Worlds 2 could bring more planets to explore, making the sequel bigger and more exciting. However, more planets could detract from the detailed world design that makes The Outer Worlds ...