A mud eruption in Sidoarjo in Indonesia, sometimes known as Lusi, took place in 2006 and it continues to erupt, Manga said.

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...

Add Yahoo as a preferred source to see more of our stories on Google. Image of active volcano shows magma pressure inside volcanoes can destabilize slopes and trigger collapse. (CREDIT: YouTube / CC ...

Washington state may not have to worry about hurricanes, but it is volcano country. The United States has 161 active volcanoes – all in the western U.S. – but only 18 are classified as a "very high ...

A supermassive black hole in J1007+3540 has roared back to life after 100 million years, firing jets across nearly one million light years and revealing a turbulent battle inside a galaxy cluster.