We explain bilateral gynandromorphism - seen in butterflies, birds, and crustaceans. Half the animal is female, and the other half is male.

Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate.

Members of an all-female Chinese SWAT team compete during a tactical event at the UAE SWAT Challenge in Dubai, where a viral video showed them outperforming an Indian squad. An all-female Chinese SWAT ...

Recovering humpback whale populations are revealing a hidden shift: older males are increasingly outcompeting younger rivals to father calves.

Imagine a secret kept for four long years. A blunder so baffling, it defies belief, unfolding right under the noses of seasoned professionals. This is the story of Maruyama Zoo in Japan, and a ...

Katherine Haan, MBA, is a Senior Staff Writer for Forbes Advisor and a former financial advisor turned international bestselling author and business coach. For more than a decade, she’s helped small ...

The animal kingdom is ruled by open sexual relationships. Bats, beetles, and bonobos all have multiple partners over a season ...