Credit: USGS/Photo by Madison Myers. Scientists in Wyoming have discovered evidence of two mysterious volcanic eruptions that are older than the last caldera-forming supereruption at Yellowstone.

This is some of the best eruptive activity that’s ever happened here in, you know, modern times,” Ken Hon, scientist-in-charge for the U.S. Geological Survey’s Hawaiian Volcano Observatory ...

The episodes, which are separated by pauses in activity, have lasted from a few hours to over a week. The lava has remained inside the volcano’s summit caldera and within the park, and no ...

Scientists said “episode 17” of Kilauea Volcano’s ongoing eruption ... or Kilauea caldera. The current on-again, off-again eruption began Dec. 23 with each episode lasting for between ...

HONOLULU (AP) — Scientists were bracing for high lava fountains Tuesday during the latest episode of an ongoing eruption of ... remained inside the volcano’s summit caldera and within the ...