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.

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it is, can both evoke the sublime.

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will appear to vanish.

Research and development is underway to create robots that can hunt for signs of life in the vast oceans that exist under the thick ice shells of bodies like Europa.

On Jan. 14, 2005: The Huygens probe landed on Saturn's moon Titan after being carried from Earth by NASA's Cassini spacecraft. On Jan. 14, 2005, The European Space Agency (ESA) probe Huygens ...

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it is, can both evoke the sublime.

Tatooine is known for its harsh desert climate, relentless sandstorms, and scorching heat beneath the blazing light of its twin suns. Kamino is a distant, inhospitable planet, entirely covered by vast oceans teeming with diverse life.

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This month, six planets align in a rare celestial event, with Venus, Saturn, Jupiter, and Mars visible to the naked eye, according to NASA’s Preston Dyches. Venus and Saturn will appear closest on January 19-20, while Jupiter shines brightly in the south, and Mars glows reddish in the east.

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.

A rare celestial phenomenon is about to light up the heavens, offering skywatchers a chance to marvel at the dynamic beauty of our Solar System. This February, a "Parade of Planets" will see all seven of Earth’s planetary neighbors align in a dazzling display.