One of the biggest reasons is the planet's reddish hue, earning the fourth rock from the sun one its most popular nicknames -- the "Red Planet." But what exactly gives the planet its iconic color?

A new study led by Brown University researchers shows how a water-rich mineral could explain the planet’s color, hinting at a wetter, more habitable past on the Red Planet. PROVIDENCE, R.I. [Brown ...

Despite sharing the name "panda," red pandas and giant pandas are vastly different animals! From their diets to their habitats, these two adorable creatures have unique features that set them apart.