An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...
Mars, Jupiter, Uranus, Neptune, Venus and Saturn will align in the sky on Jan. 21, resulting in both astronomical and ...
Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...
Mars will seem to disappear behind the full wolf moon Monday for many sky-gazers. Throughout January, also look up to see ...
Every 26 months, the orbits of Earth and Mars allow us a closer look when Mars is at opposition — which will happen on Jan.