An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

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

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

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

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

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

In the early evening, look to the southwest and you'll see Venus (the brightest object in the sky after the Sun and Moon) and ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...