With Space Marine 3 in development, there are a couple of great planets fans might hope to see featured in the next game.

Planets can be told apart from stars because they shine steadily, rather than twinkling. Saturn will be the lowest planet on the Western horizon and the hardest to spot with the naked eye.

Experts believe this might be the first instance where all eight planets, including Earth, have been photographed together. This rare celestial occurrence, known as a "planetary parade" happens ...

Josh Dury, 27, managed to snap the extraordinary sight of the solar system's planets aligning from Mendip Hills on Saturday, February 22. Experts believe this might be the first instance where all ...

Here is what you need to know about how best to get a glimpse of this celestial parade. All eight planets in the solar system orbit the sun at different speeds but on roughly the same plane.

For example, the three innermost planets — Mercury, Venus and Earth — align within 3.6 degrees in the sky every 39.6 years. For all of the solar system's eight planets to align as closely ...

What is happening exactly? All eight planets in the solar system orbit the Sun at different speeds but on roughly the same plane. This is because the planets are thought to have been formed by a ...

Alan Dyer/Getty Images The solar system has eight planets overall – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury is the closest planet to the sun and Earth is the ...

Here is what you need to know about how to spot the rare seven-planet alignment – weather permitting. The eight major planets in our Solar System orbit the sun on the same flat plane but at ...

This latest planetary alignment or "planet parade" - set to take place on the evening of Feb. 28, just after dusk, according to SkyatNightMagazine. Once they are all in place, seven of the eight ...