'Oldest' Gondwana land creature discovered

A 350-million-year-old fossilised scorpion discovered in South Africa is the oldest known land animal to have lived on Gondwana, part of Earth's former supercontinent, a university said Monday.

Recent connection between North and South America reaffirmed

Long ago, one great ocean flowed between North and South America. When the narrow Isthmus of Panama joined the continents about 3 million years ago, it also separated the Atlantic from the Pacific Ocean. If this took place ...

Ancient rhinos roamed the Yukon

In 1973, a teacher named Joan Hodgins took her students on a hike near Whitehorse in Canada's Yukon Territory. In the process, she made history for this chilly region.

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