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An Alaskan congressman wants to open the floodgates on marine mammals in favor of fossil-fuel exploration.

Every year, gray whales embark on one of nature’s most epic migration journeys. Here’s what we know about it, according to ...

Since 2005, the global count of living mammal species has risen by 25%.

Some of the most miraculous survival stories come from the animal kingdom. While often harrowing, these tales reveal the ...

I’m pretty certain that there are a few Pennsylvania mammals that don’t range far from large forest tracks. The bobcat, ...

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to chimpanzees. By comparing full and half siblings across species and human cultures, ...

The world's oldest known mammal has been identified using dental records – predating what scientists previously thought was the first mammal to walk the Earth by millions of years – according to new ...

Coconis, right, with a volunteer conducts biological surveys of a restored city park in Salt Lake City, Utah (Mark Johnston photo) The Santa Barbara ...