One notable incident came on May 22, 1919, when a barrage of eruptive activity caused a 1,000-kilogram (2,205-pound) block of ...

As recently as 10,000 years ago, giant ground sloths the size of elephants, 20 feet long and weighing in at more than 6,000 pounds, roamed the southern United States and Central and South America.

Nik Wallenda had ice water in his veins while tightrope-walking in the Ring of Fire. Wallenda successfully completed ABC’s “Volcano Live!” walk on Wednesday night, with the 1,800-foot-long journey on ...

Scientists in the United States are preparing to drill into one of the country’s most closely watched volcanoes in a bid to unlock a new class of ultra-deep geothermal power. The project aims to tap ...