Young Mars would have been a staggering place to explore. The Red Planet was covered in flowing rivers of both water and lava. At the time, a series of four volcanoes — Olympus Mons and the three ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study reveals the Methana volcano quietly accumulated huge magma reservoirs underground during a 100,000-year dormant period ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists in the Philippines have raised the alert level on an active ...

Ecuador has several dormant volcanoes not only challenging in themselves, but great practice for bigger peaks. Here’s a first-person account of one man’s Ecuadorian climbs. Cotopaxi volcano spewing ...

Add Yahoo as a preferred source to see more of our stories on Google. Turning red-hot lava from an active volcano into electricity would be dangerous and unreliable. Volcanoes don’t erupt on ...

Methana volcano looked dead for more than 100,000 years, yet magma kept building below ground. By dating tiny crystals, scientists found a hidden system still active, raising new doubts about how ...