"If you send a spacecraft to the surface of Venus, which has been done several times, they only last a few minutes until the hot acid burns them up."

"Many geologists believe that geological events are random over time. But our study provides statistical evidence for a common cycle..."

Concrete gave us the Pantheon and the Hoover Dam, but it's a huge contributor to global warming. Replacing just one ingredient could change that.

Volcanoes may have erupted on Mars as recently as 50,000 years ago. The finding raises the possibility of recently habitable conditions below the surface.

New research digs into ferrovolcanism, volcanoes on planets made of metal. It could give us a glimpse at what those metallic worlds might look like.

A new analysis of rock samples brought back from NASA's Apollo missions help clear up questions about the moon's formation and lava-covered early years.

The Inuit tell stories about the year that summer never arrived. Tree rings from 1783 confirm that the Laki volcano in Iceland caused the cooldown.

New research clears up a longstanding question about explosive volcanic eruptions like the ones at Mount St. Helens in 1980.

Steamboat Geyser reawakened in 2018 after three and a half years of dormancy. Does that foretell an eruption in Yellowstone National Park?

Mass extinction of land animals happen on a 27-million-year cycle, researchers report. The timeline matches periodic asteroid impacts and volcano eruptions.