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 ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...

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

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

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

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 ...

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it ...

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 ...

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

ESA and JAXA's BepiColombo mission recently completed its last flyby of Mercury, revealing stunning details about the ...