Two giant pandas at Ueno Zoo have been given some private time in a bid to create a romantic environment.
Group hugs take on new significance for vulnerable baby penguins living on one of the coldest islands on Earth.
There's another Alcatraz Island that's less famous than the one in San Francisco but just as friendly to its birds..
The sex lives of dinosaurs are starting to come to light, and it looks like at least one species loved the look of football-shaped heads.
The dogs not only join the club but also become eligible for competition.
The feat opens the door to gene-edited dogs, new conservation methods and more.
Dog-jackal hybrids add to the growing body of evidence that dogs can breed with just about any type of wild canine and produce fertile offspring.
The wealthy family caring for them faces U.S. accusations of laundering money for drug traffickers.
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