The geochemistry of agate and chalcedony in volcanic rocks represents an intricate record of silica precipitation and crystallisation processes occurring under variable thermal and chemical conditions ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. To the untrailed eye, a rock on the side of the road is just that ...

Dozens of people have evacuated two towns on Japan's main southern island of Kyushu, where a volcano spewed ash and large rocks into the nighttime sky. The rocks fell as far as 1.5 miles from the ...

(Reuters) - The latest bursts of molten rock, ash and toxic gas from Kilauea Volcano on the Big Island of Hawaii are part of an ever changing and still largely mysterious cycle of eruptions that have ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. With its greenish-brownish color, Erg Chech 002 (EC 002) might ...

An explosive eruption rocked La Soufriere volcano on the eastern Caribbean island of St. Vincent on Friday after the government ordered thousands to evacuate their homes nearby. Experts said the ash ...

Add Yahoo as a preferred source to see more of our stories on Google. Although more than 99.95% of Earth's gold is locked in the molten core, tiny amounts may be coming up to the surface in magma, a ...

The first samples from the farside of the moon contain signs of surprising volcanic activity near the lunar south pole. Two separate analyses of lunar rocks brought to Earth by China’s Chang’e-6 ...

Volcanoes might seem like nature’s incinerators, but using them to burn up trash would be dangerous and disrespectful to indigenous people who view them as sacred.

Tiny by volcano standards. The Sutter Buttes are 10 miles wide and poke up 2,000 feet. In classic butte fashion, they are ...