Washington, July 3 : New geological evidence has suggested that the course of life on Earth was altered 12,900 years ago by a giant comet exploding over Canada.

The evidence was found by UC (University of Cincinnati) Assistant Professor of Anthropology Ken Tankersley and colleagues.

This comet/asteroid theory was advanced by Arizona-based geophysicist Allen West in two years back, suggesting that an object from space exploded just above the Earth’s surface 12,900 years ago over modern-day Canada, sparking a massive shock wave and heat-generating event that set large parts of the northern hemisphere ablaze, setting the stage for the extinctions. 

Washington, July 3 : The Voyager 2 spacecraft, which has been traveling outward from the Sun for 31 years, has made the first direct observations of the solar wind termination shock.

Washington, July 3: While conducting experiments on mice, scientists Washington University School of Medicine in St.

San Francisco - Hot weather and swirling winds Wednesday fanned flames of a huge fire close to the tourist town of Big Sur, leading authorities to order the evacuation of one of the most scenic ar

Washington, July 2 : Individuals tend to think that their favorite possessions, such as a car, should fetch more money, but they balk at paying the same price when the items belong to someone else.

Washington, July 2 : Archaeologists have unearthed a large administration building and silos at Tell Edfu in southern Egypt, which provide fresh clues about the emergence of urban life in the count