Scientists say they have discovered a giant volcano hidden in plain sight on Mars. The volcano, temporarily named the Noctis, spans 280 miles wide and was discovered alongside a buried ice glacier ...

An enormous volcano has been "hiding in plain sight" on Mars for decades, according to scientists. The volcano, which is 280 miles wide, was found alongside a possible sheet of buried glacier ice ...

"Mars’ tallest volcano, Olympus Mons, appears as a prominent dark region near the top of the images, with a small white cloud at the summit that grows during the day. Olympus Mons appears dark ...

How do you celebrate? With a knockout new image showing off Mars’ massive volcanoes, rugged valleys and ethereal clouds. There’s even a special guest star: a moon. The European Space Agency ...

but of Mars as well. The model proposed by Montgomery and colleagues 6 helps to link some of the key features in this region. More conclusive evidence for the feasibility of a giant landslide is ...

“The Mariner 9 orbiter first imaged giant canyons on Hesperian surfaces ... and his colleagues previously suggested that ...

Scientists are still trying to figure out. Like Earth and Venus, Mars has mountains, valleys, and volcanoes, but the red planet’s are by far the biggest and most dramatic. Olympus Mons ...