Joe Zone joined Eyewitness Sports as the sports director in January 2006. He began his career at a radio station in Syracuse, N.Y., after which NBC took him to Los Angeles, where he worked at KNBC-TV ...

When an asteroid threatens Earth, astronomers use a rating called the Torino scale to communicate the risk. Richard Binzel, ...

Volcanoes can look like small mountains or hills. A volcano is an opening in the Earth's crust that allows magma, hot ash and gases to escape. Composite volcanoes are the most common type of volcano.