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

Two new studies show a briny, carbon-rich environment on the parent body of the Bennu asteroid was suitable for assembling ...

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 ...

The Solar System is ancient. To put it into perspective, if the age of the Solar System were a year, humans would appear on Earth just before the countdown on New Year’s Eve. This is an ...

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 ...

Six planets in our solar system are coming into alignment and ... six planets will be on the same side of the sun from Earth’s perspective. During the first nights of February, the crescent ...

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

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 ...

The celestial bodies in our solar system take many forms. Some are made of rock, others gas, and others even ice. The farther ...

To put the wind speeds into perspective, the fastest winds ever observed in our solar system are on Neptune, at a speed of ...