The most significant will occur on February 28, when seven planets of the Solar System will be visible simultaneously ... Stay updated on the latest news via our Facebook page or through ...

Charon is unusual because it is the largest moon in the solar system compared with its parent body. In fact, Charon and Pluto are so similar in size that they are considered a double dwarf planet ...

Amateur Astronomer Stumbles Upon Something Strange That Contradicts Previous Models of Jupiter's Atmospheric Composition An amateur astronomer's innovative use of old traditional observation ...

The prevailing theory is that this emission is caused by sunlight reflected off particles of ice and dust within the plane of the solar system ... flyby of the closest planet to the sun, Mercury ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

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

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

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.

is when several planets in our solar system appear to line up in the sky from our perspective here on Earth." The planet parade occurs when the planets' positions in their elliptical orbit around ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Despite common assumptions, the disk of our Solar System is warped, and the planets travel around the Sun in slightly eccentric (or oblong) orbits. Scientists now think that a mysterious object ...