Animals

When different chickadee species meet, they sometimes choose each other as mates—with surprising results

Science in meter and verse

Predators’ electricity gives caterpillars an early warning

Not all cats are hydrophobic

AI and tiny worms team up to get to treats

Dolphin ecologist Tadamichi Morisaka discusses common dolphin behaviors that could explain instances of the animals biting people in Japan

Queen guitarist Brian May has spent a decade studying the science of bovine tuberculosis, which can be carried by badgers, and has identified a new method of spread

Replacing research animals with tools that better mimic human biology could improve medicine

Around 252 million years ago tardigrades may have escaped extinction using this one weird trick

Compared with other arachnids, invasive Joro spiders are calm, cool and collected under stress, a new study shows

Sharks provide multiple benefits for ocean ecosystems: their declining numbers threaten habitats for baby fish

Inside giant, iridescent clams are algal farms that could inspire highly efficient bioreactors