As Earth-shattering events go, nothing comes close to the mass extinction that punctuated the Permian period some 250 million years ago.(NationalGeographic)
A new lava dome has formed at the peak of Indonesia's rumbling Mount Merapi volcano, reinforcing indications that it may soon erupt, scientists said.(Yahoo/AFP)
A magnitude 8.0 earthquake struck early Thursday near the South Pacific nation of Tonga, and a tsunami warning was issued, the U.S. Geological Survey said.
