An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

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

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 ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

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 ...

Retrogrades are often misunderstood as chaotic but are actually opportunities for reflection and growth. Each type of ...

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.

Recent studies have revealed that, until now, Hot Jupiters seem to be the only planet in orbit around their host star. This ...

Scientists found an intriguing world in our galaxy.