"It's like watching a cosmic volcano erupt again after ages of calm — except this one is big enough to carve out structures ...

A new video from Japan’s maritime authorities captures an underwater volcano bursting through the sea surface in a violent ...

Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

Rivers of lava flowed down several vents of the Halemaʻumaʻu crater on Hawaii's Kilauea volcano overnight Monday — the latest ...

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

"It's getting ready to erupt"—one of America's most active volcanoes has the country on edge. It is called the Axial Seamount ...

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

It's been nearly four years since a massive volcanic explosion rocked the Pacific nation of Tonga. The eruption created a ...

Deep in the cosmos, about a billion light-years away, a monster with a gargantuan appetite has woken up. For roughly 100 ...

Episode 40 of the ongoing Halemaʻumaʻu eruption ended abruptly at 6:04 p.m. HST on Jan. 12 after 9.7 hours of continuous lava ...

Kīlauea summit region shook for 5 hours Nov. 14 that year as magma made a path to the surface. The eruption began at 8:08 p.m ...