Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...

Mars is about 140 million miles from our cozy planet. A human mission to that cold, rocky neighbor would mean being away from Earth for about 3 years. But the things those explorers would see and ...

Ethiopian volcano eruption: On Sunday, November 23, 2025, Ethiopia’s Hayli Gubbi volcano erupted for the first time in over 10,000 years, leaving scientists and locals stunned. The eruption sent ...