All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

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

Discover Snapchat Planets Order, a creative feature in Snapchat Plus to rank your closest friends like planets in a solar ...

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

A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the ...

From breathtaking views of asteroids to stunning planetary snapshots, Hubble’s exploration of our solar system has been ...

A very rare treat is about to grace Earth's night skies.