NASA discovers something on Neptune and Uranus: "There are more than 5000" The ice giants of the solar system have long been ...

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

NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system.

Word is sure getting around about the "parade of planets" visible in our evening sky! Many of the news outlets and social ...