Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and ...

Animals that navigate extreme conditions and environments have evolved to sleep in extreme ways — for example, stealing seconds at a time during around-the-clock parenting, getting winks on the wing ...

Antarctica is known for being a rather inhospitable place, what with its extreme cold, violent winds, and low levels of water – it is technically a desert. Much of continent also sits at high altitude ...

Four new portraits have gone up at the Smithsonian National Portrait Gallery, showcasing this year’s recipients of the ...

Do you share our anxiety about the state of the planet? As green journalists, we are all too familiar with what climate anxiety, climate doom, and even environmental existential dread feel like. These ...

Winter is hard, and for wildlife in Colorado, it's even harder. To survive, many species have developed adaptations over ...

From caterpillars disguised as the dead to narwhals that play with their food, here are the animal tales that we loved in ...

Some animals have evolved unusual body parts that push the limits of what seems possible in nature. Scientists studying these creatures have uncovered surprising functions behind their strange anatomy ...

Winter has officially arrived in the Northern Hemisphere. With today’s winter solstice, the days will start to get a little bit longer, but the cold will stick around. We humans typically handle the ...

For the first time, scientists have analyzed metabolism-related molecules from the fossilized bones of animals that lived 1.3 ...

"As seasons shift and weather turns colder, organisms experience significant physiological challenges," Haussmann says. "In my lab, we study the physiological and molecular underpinnings of aging and ...