The population of the sharks is increasing along the U.S. and Canadian east coast.
A study shows that watching sexually explicit videos has an impact on the brain.
The risk of car crashes jumps for women in their second trimesters.
A series of four total lunar eclipeses will be visible to most of North America.
Nature Saskatchewan is asking people to be on the lookout for endangered species.
Scientists are alarmed by how few Monarch butterflies traveled to Mexico this year.
An Alberta resident who had recently traveled to Beijing succumbed to the H5N1 strain of avian flu.
Water retention structures in the St. Clair River may not be enough to counteract a warming climate.
The warming climate and modern farming practices are creating ideal conditions for gigantic algae formations on Lake Erie.
Anti-smoking advocates and health experts hailed proposals from Mayor Michael Bloomberg that would keep cigarettes out of sight in New York City stores.
