Once abundant throughout southeastern Australia, the critically endangered plains-wanderer is now on the brink of extinction ...

By Shreya Dasgupta Wisdom, the world’s oldest known wild bird, made headlines recently for laying an egg with a new partner, ...

The female ray, named Charlotte ... Some species that can experience virgin birth include sharks, snakes and even birds — but ...

Our devastation of nature is so extreme that reversing even a small part of it requires painstaking, quixotic efforts.

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Often called "female Viagra," Addyi (flibanserin) and Vyleesi (bremelanotide) are medications designed to boost sexual desire in females though they do not affect physical performance. They treat a ...

After last week's tropical dispatch, I'm back in central Wisconsin and picking up the detritus from where squirrels took apart my bird feeders during the cold snap last week. The same polar plunge ...

A near complete skull fossil found in Antarctica has revealed the oldest known modern bird — a mallard duck-size creature related to the waterfowl that live by lakes and oceans today ...