The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

"All month after dark, you'll find Venus and Saturn in the southwest for the first couple of hours, while Jupiter shines brightly high ... GETTY IMAGES PLUS The planets in our solar system orbit ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

This high-resolution image shows the Sun in ultraviolet light, revealing the Sun’s upper atmosphere, ... [+] the corona. Each image is a mosaic of 25 images stitched together; Solar Orbiter was ...

The red planet While we don’t have images of many of the planets in the solar system since they’re too ... the red-orange high-pressure region is wildly beautiful yet creates winds with ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only the second human survey of our solar system's innermost planet.