It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid ...

“So, all these signs are pointing toward the final stages of the buildup to the next ... a fiery apocalypse just yet — if and when the volcano does blow its top, it will likely pose little ...

What’s next? Lava is erupting from several volcanoes, including one in Hawaii. Nearly 50 volcanic eruptions have been recorded this year, and more are expected. The Axial Seamount, an underwater ...

A volcano near Alaska’s most populous city could be on the brink of eruption after showing signs of unrest over the past 10 months, according to experts. Hundreds of small earthquakes have ...