Tonight and throughout January, stargazers can see a planetary alignment in the night sky or what some are calling a ...

This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event ...

but they don't appear as 'bright planets'," NASA's Preston Dyches explained in a stargazing video guide. Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn ...

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

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

A large planetary alignment includes five or six planets. A great or full planetary alignment features all solar system ...

While the planets won’t be perfectly aligned, their placement will follow the orbital plane of our solar system. Which planets are parading in January and February? The January planetary ...