There is not a week that goes by without hearing about news of another close call with another small asteroid or a large meteor. Just this past week, the Earth was struck by yet another small object: ...

The cause of the Tunguska event of 1908 remains a mystery today, even though one of the prevailing theories — that a meteorite had scored the Earth and displaced thousands of trees in Siberia near the ...

The site of Friday's spectacular, 10-ton meteor blast is roughly 3,000 miles west of Tunguska -- the site of the largest-ever recorded explosion of a space object plunging to Earth. That 1908 blast, ...

In June 1908, a mysterious blast occurred above the remote Russian forests of Tunguska, Siberia, with 1,000 times more power than the Hiroshima bomb, flattening trees over an area roughly the size of ...

Last month marked the 111th anniversary of the Tunguska event, a blast that flattened trees across half a million acres of Siberian forest on June 20, 1908. Scientists have been puzzling over the ...

The mysterious 1908 Tunguska explosion that leveled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, according to new research. The ...

The Tunguska event, a seismic blast that rocked a remote Siberian forest more than a century ago, is believed to have been caused by a meteor that exploded before it hit the ground. A new study sheds ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

A meteor enters the Earth's atmosphere. In February 2013, a meteor exploded in the sky of the Russian town of Čeljabinsk, causing widespread damage and injuring more than 1,200 people. It was the ...