On June 30, 1908, an asteroid flattened an estimated 80 million trees in Siberia over 830 square miles (2,150 square kilometers). Dubbed the Tunguska event, it is considered the biggest asteroid ...

It’s Asteroid Day, which is one of the rare days on the calendar meant to serve largely as a warning. On June 30, 1908—115 years ago today—there was a remarkable boom, bright lights in the sky and in ...

The Tunguska Event, occurring on June 30, 1908, involved an airburst explosion of an asteroid approximately 3.8 to 9.7 kilometers above the Tunguska River in Siberia. The explosion released energy ...

On June 30, 1908, a catastrophic explosion rocked the skies over Eastern Siberia, releasing an energy equivalent to 10–15 megatons of TNT. Known as the Tunguska event, this mysterious occurrence ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. In February 2013, a meteor exploded in the sky of the Russian ...

During the Tunguska event, over 8 million trees covering an area of 830 square miles were flattened when an asteroid entered Earth's atmosphere. When you purchase through links on our site, we may ...