Lots of water leads oceanic crust to melt, giving some volcanoes the potential to erupt explosively. Continue reading →
A lake near Oregon's Hoodoo Ski Area fills from melted snow and then drains into a lava tube, leaving a meadow.
Stunning lightning storms inside of towering volcanic ash clouds created tiny glass balls.
The rise and fall of sea level during the past million years matches up with valleys and ridges on the seafloor, suggesting a link, two new studies find.
Relatively small volcanic eruptions may be slowing the pace of global warming. Continue reading →
The lava lake is forming at the top of Nyamuragira volcano in the Democratic Republic of the Congo.
Sea monkeys make waves, fall colors are seen from space and a deadly volcanic eruption covers a temple in ash.
See images shot by a hiker trapped on the top of Mount Ontake, the Japanese volcano that erupted on Sept. 27.
+ Load More