Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may ...

Look up in Michigan's night sky later this month to catch a rare seven-planet parade. The planets will appear to line up in the sky as they orbit the sun, known as a planetary alignment or planet ...

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

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

The visiting objects that yielded these near-match scenarios ranged from two to 50 times the size of Jupiter and plunged deep into the inner solar system, traveling far beyond Uranus' orbit and ...

On this date, Jan. 13, 1986, astronomer Stephen Synnott using data collected by NASA’s Voyager 2 probe discovered three additional moons in orbit around Uranus. Those moons are Desdemona ...

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

The visitors in 1% of simulations dove straight into the solar system, travelling past Uranus' orbit and some even grazed Mercury's path and they ranged from two to 50 times the mass of Jupiter.

Six planets are lining up in a row from our Earthly view of the cosmos, in a spectacle that'll be visible in January through to February.

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...