You’ve heard of talking heads on TV. It turns out, they’re also under the sea. Beluga whales appear to communicate with each other by contorting their heads into various shapes, new research reveals.

JERUSALEM — Ever notice how rose petals curl at the edges with those elegant pointed tips? For centuries, artists have celebrated these distinctive shapes in paintings and poetry, but the science ...

Scientists have determined that how the brain shape changes with age could indicate early signs of dementia. Experts are finding that the best way to understand how the brain ages is not by examining ...