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With aging elephants dwindling Woodland Park Zoo places three elephants in the same space to socialize and thrive
A stroke of colossal misfortune (and a giant asteroid) may have killed dinosaurs 66 million years ago
Andrea Heydlauff joins Al Jazeera to discuss how low the tiger numbers have dropped and why
Lizards were sent into orbit as part of study into effects of weightlessness on sexual intercourse
Designated area includes 685 miles of beach and 300,000 square miles of ocean spanning six states
Meet 18-year-old Petra Grutzik, whose award-winning research with UCLA neuroscientists is just the beginning.
The National Aquarium in Baltimore is the first aquarium or zoo to publicly consider closing its dolphin exhibit
Birth is part of effort to save a species that could be extinct within a decade
On "TechKnow," scientists capture images of a pregnant tiger shark's unborn pups—in one of her two uteri.