Saharan dust will help keep our rain chances low over the weekend.

Arsia Mons, which dwarfs Earth's tallest volcanoes, and its two neighboring volcanoes are often surrounded by water ice ...

On May 2, as sunlight crept over the Martian horizon, the Odyssey spacecraft captured Arsia Mons, a towering, long-extinct ...

Scientists are once again astounded by NASA’s Mars Odyssey spacecraft, which took a stunning picture of Arsia Mons, one of ...

A spectacular new image from NASA’s longest-running Mars orbiter has captured a breathtaking view of a giant Martian volcano ...

In mid-May, a giant wall of dust paraded across parts of the U.S. Midwest, and, thanks to the National Oceanic and ...