An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...
Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.
All of our solar system's planets are lining up to take part in a rare and awesome event in the night sky - this is when and ...
A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...
A six-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...
Scientists suggest an interstellar visitor may have altered planetary orbits in our Solar System, reshaping trajectories of ...