Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...

It’s divided into sections with names like “Lunar Lunch” and “Extraterrestrial Dinner,” because why settle for boring old ...

Last week, a full moon lit up the sky but it was another celestial moment, one that's more rare, that wowed sky-gazers and ...

NASA proposes a faster, cheaper plan to bring Mars samples to Earth, aiming for delivery by the 2030s while cutting costs ...

Since the middle of the month, four of the five brightest planets in the night sky have been visible after sunset and will ...

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours ...

Venus, Mars, Jupiter and Saturn are visible to the naked eye this month and for part of February. Uranus and Neptune can be ...

Illinois stargazers have the chance to see a "planet parade" this January, with four bright planets to be visible in a single line of sight. There also are three chances to see a supermoon later this ...

This month, six planets align in a rare celestial event, with Venus, Saturn, Jupiter, and Mars visible to the naked eye, ...

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