Venus, Saturn, Jupiter and Mars are all visible to the naked eye just after the sun goes down. Neptune and Uranus can also be ...

Saturn’s rings, imaged here by NASA’s Cassini orbiter, are one of the solar system’s most reliably spectacular sights. But ...

Photoshop CC 2014 tutorial showing how to create a stunning, Saturn-like planet that casts a deep shadow onto its surrounding ...

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 ...

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

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

Space isn’t lawless, but the agreements governing it don’t cover everything nations will have to grapple with as they develop ...

Scientists suggested the enormous object disrupted the orbits of Jupiter, Saturn, Uranus and Neptune, which would explain the peculiarities of these four planets' paths. Prevailing solar ...

Twenty years ago, the Huygens probe achieved humanity's first landing on a moon in the outer solar system when it touched down on Titan.

Chorus waves, which affect the safety of astronauts and satellites, have been found in a place where their existence was ...