This piece from a comet was about 16 inches in diameter and was traveling at 145,000 miles per hour.
On June 30, 1908, a colossal explosion tore through remote Siberia near the Tunguska River, flattening an estimated 80 million trees across more than 800 square miles. The blast was seen and felt ...
KNOXVILLE, Tenn. — A comet that unexpectedly brightened in the last couple of weeks and is now visible to the naked eye is attracting professional and amateur interest. Paul Lewis, director of ...