Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the ...

Graphic showing how Mars turned from a grey, wet planet into a dusty red planet. From left to right, four steps are illustrated in a single image. First, iron in the planet’s rocks react with oxygen ...

The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...

On the eve of the 249th anniversary of American independence, NASA on Tuesday showcased a patriotic image of Old Glory as ...

The Red Planet is about 10% as massive as our home world, with a gravitational pull 38% as strong. (A 100-pound person here on Earth would weigh just 38 pounds on Mars, but their mass would be the ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

Discovered in Niger in 2023, the rare chunk weighs 54 pounds and represents more than 6 percent of all Mars material on Earth ...

The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ...

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

The planet's color can even be seen with the naked eye from Earth, appearing in the night sky as though it were a red star. Data from Google Trends show people are curious as to how the planet got ...

Mars, the fourth planet from the sun, is a dry, rocky world. Its famous red color has earned it the nickname the Red Planet. Mars has fascinated people throughout history, and today, it is one of ...

Made of mostly aluminum and titanium, 2001 Mars Odyssey has been orbiting the Red Planet since October 24, 2001. Although a solar storm quickly took down the spacecraft’s MARIE instrument, meant ...