Lava and ash have once again transformed the summit of Kīlauea into a vision that looks ripped from a disaster film, with ...

Scientists say the next episode could arrive in 2–3 weeks, depending on how quickly the summit re-inflates. For now, the ...

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...

A supermassive black hole is reawakening inside a distant galaxy cluster—and after almost 100 million years of slumber, ...

The USGS has released dramatic footage as the Kilauea volcano erupts, forming rare 12 metre dome-shaped lava fountains. Experts warn that the intensified tremors signal the start of a major sustained ...

Inside an incredibly bright cluster of galaxies, a long-dormant supermassive black hole has come back to life. Radio images ...

POPOCATÉPETL VOLCANO, Mexico (AP) — In the predawn darkness, a team of scientists climbs the slope of Mexico’s Popocatépetl volcano, one of the world’s most active and whose eruption could affect ...

MOUNT ETNA, Italy (AP) — Guides who take tourists to enjoy the striking views of Sicily’s Mount Etna are up in arms over tougher restrictions imposed by local authorities after a round of eruptions at ...

The Mayon Volcano in Albay on Tuesday continued its effusive eruption for the 21st consecutive day, generating incandescent lava flows, rockfall, and pyroclastic density currents (PDCs) or “uson,” the ...

MOUNT ETNA, Italy (AP) — Guides who take tourists to enjoy the striking views of Sicily’s Mount Etna are up in arms over tougher restrictions imposed by local authorities after a round of eruptions at ...