Animal-rights groups have long been at odds with the U.S. government, which subsidizes meat and dairy production and spends billions of dollars on animal research every year. But in some ways, they’ve ...

It’s the AI-nimal Kingdom. The internet is becoming inundated with AI-generated wildlife clips, from bizarre interspecies playdates to animal trampoline sessions. While they might be adorable, these ...

Here’s what you’ll learn when you read this story: The longest-lived mammals on Earth, bowhead whales, contain longevity secrets that scientists hope could be applied to our own biology. A new study ...

K. C. Kent Lloyd is a professor in the Department of Surgery, School of Medicine, director of the Mouse Biology Program and NAMs Testing Center and associate director of the Comprehensive Cancer ...

At a meeting of top conservation groups this week, a bioethics question took center stage: Should scientists be allowed to tinker with the genes of wild plants and animals? The tentative consensus so ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. Travel involves two main expenditures of energy: fighting gravity and propelling ...

Washington, DC—The Animal Welfare Institute (AWI) applauds recent announcements by the National Institutes of Health and the US Food and Drug Administration about their plans to reduce the use of ...

Animal testing remains a fundamental part of biomedical research. But as funding evaporates, mice, rats and even monkeys may be euthanized. By Emily Anthes On April 1, the Trump administration’s ...

Groundbreaking study shows machine learning can decode emotions in seven ungulate species. A game-changer for animal welfare? Can artificial intelligence help us understand what animals feel? A ...

Talking to animals has long been a human fantasy. But what is the nature of animal communication—and how does chirping and barking differ from human language? This is the first episode in a two-part ...

Imagine being a paleontologist exploring Utah’s Jurassic-aged rocks. Imagine discovering the bones of a 20-meter-long, 20-ton herbivorous dinosaur. Then consider: How could any beast become so big?

Lemurs, lizards, whales — all are famed for their tails in some way. But which animal has the longest tail of all? In proportion to their bodies, grass lizards have the longest tails of any known ...