People lived in many parts of the Old World by then but had not yet reached Australia or the Americas. The bulk of the human ...

The particles scattered sunlight, making our star appear green ... The team used radiocarbon dating to pinpoint the timeline ...

to measure the flow and speed of ash falling out of a volcanic plume. The researchers measure how ash particles interact with sunlight and, specifically, how they change the polarisation of sunlight, ...

And why is volcanic ash so dangerous for aircraft, anyway? Volcanic ash particles are very, very abrasive. They can cause permanent damage to windscreens in the aircraft and can even make ...

Residents and visitors alike have been watching episodic lava fountains in Halema‘uma‘u at the summit of Kilauea since late ...

The eruption was one of the largest of the 19th century, but the identity of the volcano responsible has long been unclear.

Scientists have identified the “mystery volcano” that erupted in 1831 and cooled Earth’s climate. They have linked it to an island volcano in the northwest Pacific Ocean.

Residents and visitors are on alert after Hawaii's Kīlauea volcano entered its fifth eruptive episode since December on Wednesday.