Overuse of the drugs has increased over the past few years. That's not good for human health.

The creatures eat harmful algae, but they're disappearing. Scientists are trying to grow more of them.

Will someone please think of the urban amphibian?

Flu viruses and coronavirus started the last few pandemics. Could the next one be a paramyxovirus?

Felines who fetch are an evolutionary mystery.

They have endured so much, and to endure this, they’ll have to adapt dramatically.

The Cuban cricket crisis is the latest in a long history of human-animal misunderstandings.

Scientists are studying ancient teeth for clues about the ocean’s past.

Researchers are training dogs and rats to sniff out diseases—including cases that traditional medical techniques may not be able to detect.

Many animals regenerate the tiny hair cells that enable hearing—and there are promising signs that people can be made to do the same.