Grow flame-orange California poppy flowers to light up your garden. These flowers will love the sunniest spots in your yard.

Some butterfly species can’t grow unless they trick ants into taking them home with a complex rhythmic signal.

These caterpillars rely on ants to tend them, and they use a surprisingly complex sense of rhythm to make it happen ...

Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there are still huge hurdles to overcome.