A fossilized vulture feather reveals how volcanic ash can turn fragile tissues into stone with astonishing detail.

Since 2000, specialists at the National Museum of Natural History have produced the world’s foremost report on active ...

Mount Rainier’s quiet, snowcapped profile hides a restless interior that has just rattled itself with more than a thousand ...

A volcanologist answers your questions about glass-shard hairballs, cooking breakfast over lava, Gollum's end on Mount Doom, ...

The breakout villain of the new 'Avatar' film discusses the sexuality of her role, that explosive ending (spoilers ahead!), ...

Ash from the explosion may have led to crop failure and famine in southern Europe, leading some Italian cities to import ...

An international assessment report has been released to provide definitive statements on the atmospheric impacts from a huge ...

The Moon has long been treated as a geologically dead world, a frozen relic that finished erupting billions of years ago. A ...

Top middle photo: view of the new puʻu a few days after episode 36 on November 10. Top right photo: scientist takes a precise GPS location measurement from the top of the new puʻu; a parked vehicle at ...

Tephra formed by lava fountains during the ongoing Kīlauea summit eruption has created a new puʻu, or hill, southwest of Halemaʻumaʻu Crater and visible from the public viewing areas around Kīlauea ...

New research shows Roman concrete relied on heat-driven mixing and reactive lime, giving it a surprising self-healing ability ...

The Black Death — one of the deadliest pandemics in human history, estimated to have killed up to half of Europe’s population ...