The Pope's last day, Easter Sunday, was marked by an appearance on the Loggia balcony of St. Peter's Basilica, meeting the ...

Volcanoes have stirred human awe for thousands of years, with their bursts of fire and rivers of molten rock. Yet, beyond the ...

If it erupted today, it's thought Yellowstone in the northwestern United States could cause a prolonged nuclear winter and ...

Ancient rhinos lived in tight-knit herds and died together at Nebraska’s Ashfall Fossil Beds, study of teeth reveals ...

Despite the catastrophic potential, the likelihood of a Yellowstone supereruption remains very low. The United States ...

Entombed at the Ashfall Fossil Beds State Historical Park, teeth from the rhino fossils were analyzed by researchers at the ...

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.

Yellowstone is huge, over 2.2 million acres. Almost 5 million people visited it last year. It's the world’s first national ...

The most recent supervolcanic eruption on Earth occurred approximately 27,000 years ago, during the Stone Age, when early humans were still fashioning tools and decorating cave walls. This ...