Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

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

You'll be able to easily see four planets in the February evening sky ... After attaining opposition with the sun last month, Mars is now moving away from Earth and consequently is now gradually ...

Stargazers will be treated to a rare alignment of seven planets ... Sun. The dominant way of finding such worlds is known as ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose ... of the solar system's planets onto a different course. A planet-size object that possibly once ...

These events are often called a planetary alignment, but planets always appear in a line in the sky because they orbit the sun — the difference is that they will appear closer to each other and ...

Located less than 20 light years away, HD 20794d could potentially be one of the most Earth-like planets found so far, ...