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

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

The solar system is portrayed as a dynamic, gossip-fueled family, with each planet offering snide comments about one another, ...

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

If the solar system held a poetry slam, each planet would present its unique poetic style. Mercury delivers rapid-fire verses ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

The planets in our solar system orbit the sun essentially along ... sometimes observe planets appearing to approach closely to each other in the sky "while they careen around the cosmic racetrack ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in February.

Get closer to our solar companions with the best telescopes for seeing planets ... just who and what each scope is best suited to. If you'd prefer to gaze beyond our solar system, we've selected ...

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...