Mercury takes only 88 Earth days to orbit the sun.

But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might still be nine if some astronomers are correct about an as-yet ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

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

NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth.

The planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and ...

While claims of a “rare alignment” are overblown, you can still see up to six planets in the night sky this weekend. Here's ...

The eight planets in our solar system orbit the sun in roughly the same plane, because they all originally formed from the same disc of debris around the sun. The line the sun traces across the ...

A planet parade is when several of our solar system's planets are visible in the ... Hemisphere will be just after sunset at around 8:30 p.m. local time. You still might be able to catch Venus ...

The solar system consists of stars, the Sun, 8 planets, dozens of moons, millions of asteroids, comets, and meteoroids. It orbits the centre of the Milky Way galaxy at about 515,000 mph.

Mars, Venus, Jupiter, Saturn, Uranus and Neptune will appear together in a row throughout the start of February – although Neptune and Uranus will only be visible with binoculars or a telescope.

one which can offer superb views of the other bodies in the solar system. But which one to choose? We've got you covered with our guide to the best telescopes for seeing planets. Now's a great ...