The ancient Greeks started it, Disney immortalized it, and MythBusters even tested it with a contraption called the Dung of ...

Scientists have for the first time measured how fast large-scale evolution can occur in mammals, showing it takes 24 million generations for a mouse-sized animal to evolve to the size of an elephant.

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‘New mouse species has elephant DNA,’ declared the headlines. It must have been hard to resist, considering the contrast in size between these animals. The wording conjures up images of runt elephants ...

A mouse’s sperm is much, much larger than an elephant’s sperm. A fruit fly produces the longest sperm known to science. Why do tiny animals make big swimmers, but large animals make small ones? There ...

Elephant shrews were tiny animals, the size of a mouse, with an elephant-like tusk. They are known as sengi, a name derived from the Bantu language. A new species of the miniscule mammals were ...

Conservationists recently tried to relocate a wild elephant from one forest on the island of Sumatra to another. The elephant’s original home, the Bukit Tigapuluh forest, has been heavily fragmented ...