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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.
Video: MSNBC's Peter Alexander talks with Andrew Rowan of Humane Society International about the organization's attempt to help abandoned animals in earthquake-ravaged Haiti.
Video: Puppies are born to one tired and worn-out mother dog -- but did they create a world record? WCMH's Andy Banks reports.
Video: Five green sea turtles leave Florida's Turtle Hospital for their new home in England at Weymouth's Sea Life Park. Msnbc.com's Dara Brown has the story.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.