On the evenings of Jan. 17 and 18, the planets will appear virtually side by side, in what's called a “planetary conjunction.

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

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 ...

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

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

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 ...

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.

Pristine samples of the asteroid Bennu transported to Earth contain the "basic building blocks" for life, shedding new light ...

The alignment between Venus and Saturn is just one act of January's "planet parade," in which viewers can also expect to see other showrunners like Mars and Jupiter. Breaking space news ...

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