In the past, many scientists believed that only mammals and birds could feel or think in complex ways. Reptiles, fish, and insects were seen as simple creatures that reacted purely on instinct. But ...

We share our planet with some weird animals, from goblin sharks to immortal jellyfish and amphibians that can regrow their ...

An egg-laying amphibian found in Brazil nourishes its newly hatched young with a fatty, milk-like substance, according to a study published today in Science 1. Lactation is considered a key ...

CORVALLIS, Ore. – In the aftermath of historically severe wildfires in 2020, a study of Cascade Range watersheds found that stream vertebrates are doing surprising well, highlighted by flourishing ...

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Giant prehistoric insects may not have depended on high oxygen levels after all. Scientists now think something else must ...

Nearly 300 birds, fish, mammals and other critters have federal protection in the Golden State.

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For years, giant prehistoric insects were considered proof that Earth once needed oxygen-rich air to sustain oversized life ...

They’re nutritious, affordable, and always in demand. Learn how staffers prepare and deliver thousands of bugs each week to the animals living at the Smithsonian’s National Zoo and Conservation ...