More than 40 million people in the U.S. were under heat alerts Friday, according to the National Weather Service.

Solar flares are the most powerful explosions in the solar system, and can contain as much energy as a billion hydrogen bombs ...

Mizan Hossain fell 10 metres (33-foot) from the top of a ship he was cutting up on Chittagong beach in Bangladesh -- where the majority of the world's maritime giants ...