A NASA spacecraft that has been circling Mars for more than two decades has spotted something it never has before in well over 100,000 orbits of the Red Planet. On a morning horizon in May, the ...

A NASA spacecraft that has been circling Mars for more than two decades recently spotted something it never has before in well over 100,000 orbits of the Red Planet. On a morning horizon in May, the ...

Arsia Mons, an ancient Martian volcano, was captured before dawn on May 2, 2025, by NASA’s 2001 Mars Odyssey orbiter while the spacecraft was studying the Red ...

Mars is a dead world, showing the barest hints of geological activity today. But in the distant past, it was a tumultuous planet that spawned the largest volcano in the solar system. Olympus Mons ...

The small Tharsis volcano called Biblis Patera is nearly lost amongst its gigantic neighbors. With a height of less than 10,000 feet, it is even dwarfed by many volcanoes on Earth. The gaping caldera ...