64 million years ago, a Tyrannosaurus rex is hunting in what will one day become Montana. At the exact same time, millions of miles away on Mars, a volcano is erupting, sending rivers of glowing lava ...

Scientists compare volcanic cones on Earth and Mars to explain how gas-rich magma forms scoria cones. Spacecraft observations and Earth analog sites provide evidence of similar eruptive processes.

Time now for our science news roundup from Short Wave, NPR's science podcast. I'm joined by the show's two hosts, Regina Barber and Emily Kwong. Hello, hello. REGINA BARBER AND EMILY KWONG: Hey, Ailsa ...

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 ...

Since the 1970s, planetary geologists have known that volcanic features cover large swaths of Mars. Early Mariner 9 images ...

A 2023 astronaut photo shows off an unusual cranium-like structure appearing to stare up into space from the floor of a large volcanic caldera in Chad. When you purchase through links on our site, we ...

The power of volcanoes to change Earth’s climate may not be as ancient as previously thought. Throughout our planet’s history, the climate has fluctuated between “icehouse” and “greenhouse” conditions ...