"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

Known as the "Parade of Planets," the celestial event will feature appearances from Mars, Jupiter, Uranus, Venus, Neptune and ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

And we will pursue our manifest destiny into the stars, launching American astronauts to plant the stars and stripes on the ...

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Six planets, Mars, Jupiter, Uranus, Neptune, Venus and Saturn can be seen in the night sky. You'll need binoculars or a ...