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Historic island where Nelson Mandela spent most of his imprisonment is being torn apart by rabbits. The solution? Marksmen with .22-caliber rifles.
Two nesting albatrosses successfully incubate and hatch a chick they are raising.
Pythons, Asian carp, and other invasive exotics are quickly becoming one of the most expensive problems facing the U.S. government.
Asian carp are now in Lake Michigan — and that’s not good news for the Great Lakes, says Conservancy scientist Lindsay Chadderton.
What does a green dog do? Check out the contestants. Enter your dog now!
Video: A woman in Quebec watches as her house cat scares off a bear that approached the home.
Scientists discover how small invertebrates named rotifers have avoided extinction -- despite not having sex for 30 million years.
Monarchs develop different wings for different migration patterns, researchers find.
Turning the world's largest landfill on Staten Island into a park is actually crippling the bird population.
Wild crows can recognize human faces -- and they are none too forgiving, new research shows.
Learn how to avoid treatments that may contain toxic chemicals and can harm pets and people.
Pet lovers in China push law that would land people in jail for eating dogs and cats.
Mated pairs find new feathered friends.
It is almost impossible for critics to discuss Pleistocene rewilding without mentioning Jurassic Park.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.