Seven planets are set to appear in the night sky this month in a rare full planetary alignment. Mars, Jupiter, Uranus, Venus, ...

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

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

Mercury takes only 88 Earth days to orbit the sun.

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets ...

For much of January and February, you have the chance to see six planets in our solar system after dark, although two — Uranus and Neptune — will be hard to see without a telescope or high-powered ...

Astronomers have found two planets around two separate stars that are succumbing to their stars' intense heat.

Stargazers, prepare for the parade of planets that will take place over the next few nights in the sky. Here's what you need to know.

Or guide focuses on models with great resolution and high magnification, suitable for viewing planets ... best telescopes for deep space. For a more versatile, all-rounder, take a look at our ...