All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present ... debated how the solar system's planets formed. However, most hypotheses agree ...

Tonight, the night sky will treat us to an incredible sight as six planets- - Venus, Mars, Jupiter, Saturn, Uranus, and ...

A shortcut for New Yorkers to spot some of the planets is to look for them when they are near the moon. On Feb. 1, Venus will appear just above the crescent moon. On the third day of the month, ...

Exciting February sky events include Venus at its brightest and closest to Earth, the moon occulting the Pleiades, and a parade of planets in the post-sunset sky.

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

Stargazers can witness a rare planetary parade on January 21 and 25, with Mars, Venus, Jupiter, and Saturn visible to the ...

Monstrous dust storms often ravage Mars, engulfing the Red Planet for months. Now, a new study suggests these global storms may be related to a peculiar energy imbalance recently discovered across the ...

Donald Trump has claimed that it is America's 'manifest destiny' to expand to Mars. So, could the Red Planet really become ...

Early in the story of The Planets, the solar system was home to a beautiful water ... and the most explored planet in our solar system. · Mars radius is 2106 miles (3390km); just over half ...

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

Sky watchers are in for a treat this month as the stars align to give amateurs a shot to see six planets at once.