Being very tall or short does not constitute either gigantism or dwarfism . Men and women can range in height from 4 feet 7 inches (140 cen...

The southern fringe of the Sahara, known as the Sahel , is believed by some scientists to be advancing by as much as 9 miles (15km) a year. ...

About 3.5 billion years ago Earth was covered by one gigantic reddish ocean. The colour came from hydrocarbons .  The first life-forms on Ea...

Polar Bear Where it lives Canada, Greenland, Russia, Norway, and Alaska, The U.S.A. Why it is threatened Due to shrinking amounts of sea ice...

Classifying dinosaurs and all other living things can be a complicated matter, so scientists have devised a system to help with the process...

Fact#1 Attila The Hun , who sought to conquer much of the Roman Empire in the fifth century, was a calculating and ruthless leader. He even...

In September 1991, two German hikers on a remote pass in the Tyrolean Alps stumbled on a body of a man lying half-buried in the snow, with ...