Depending on your definition, the Earth features many "biggest" living things. Today we're looking at where they stack up against each other and figuring out why the largest organism on Earth appears ...

In the animal kingdom, the creatures with the biggest hearts – relative to their size – are often the tiniest among us.

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These viral photographs showing a giant, single mushroom are fake. While the "world's largest mushroom" may conjure up images of one single enormous spore, Armillaria ostoyae, or the honey mushroom, ...