Some scientists are starting to reopen a provocative debate: Are plants intelligent?

Scientists have spent years cryopreserving coral in the hopes of restoring reefs. For the first time, some unfrozen specimens have reached adulthood.

The little fish’s mating rocks the ocean as much as a major storm.

Oxytocin, often lauded as the “hug hormone,” might not be necessary to induce affection.

You can replicate an animal’s DNA, but you can’t re-create its relationship with a human.

A recent claim that tardigrades got a sixth of their DNA from microbes is starting to unravel.

The tendency to converse with dogs, cats, and hamsters ultimately says more about people than it does about their pets.

A key set of data could shore up the case for a purely animal origin. So why aren’t scientists sharing it?