Uncover the deadliest extinct snakes and their historical significance.

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The American Kennel Club just recognized three rare dog breeds! Meet the furry new members, along with information about ...

The American Kennel Club announced three new officially recognized dog breeds—the Russian Tsvetnaya Bolonka, the Basset Fauve de Bretagne, and the Teddy Roosevelt Terrier—bringing the total count to ...

Cat Warren, author of "What the Dog Knows," talks about what scientists know about working dogs and their powerful sense of smell.

Dogs began diversifying thousands of years earlier than previously believed, with clear differences in size and shape ...

To determine the health of an ecosystem, observe the birds that live there, as they are the barometers of habitat health.

Each cell in a plant, animal, or person contains millions, or even billions, of DNA base pairs—molecules connected by hydrogen bonds that are the building blocks of DNA. These base pairs collectively ...