Stunning lightning storms inside of towering volcanic ash clouds created tiny glass balls.
People in Washington, Oregon and Idaho are pondering the origin of a mysterious ash shower last week. Continue reading →
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.
This week's top planet news: Icebergs make signature sounds as they break free from glaciers, Boston has a gas problem and a soil sat prepares to launch. Plus: The snowpocalypse that wasn't.
Get a bird's eye view of icy Great Lakes, powerful storms, a lava field the size of Manhattan -- and the most polluted place on Earth.
The small bots will help researchers at NASA's Jet Propulsion Laboratory map fissures and learn more about how eruptions occur.
Relatively small volcanic eruptions may be slowing the pace of global warming. Continue reading →
Colorful hot springs in Yellowstone National Park get their hues from good-luck coins tossed into their waters and trash discarded by tourists. Continue reading →
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