Animals that researchers call “supersucklers” come back to nurse even after they can hunt, mate and fend for themselves.

Same-sex sexual behaviour has been recorded in around 1,500 species, from insects and starfish to birds and mammals. Yet sex ...

This video dives into the world of animals with the most unusual and astonishing breeding habits on Earth. Scientists reveal how each species evolved rituals and reproductive strategies unlike ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

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