"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: Is evolution a gradual process or a punctuated one, ...

Their discovery of Uncus dzaugisi, a worm-like creature rarely over a few centimeters in length, is described in a paper published today in Current Biology. "Scientists have hypothesized for decades ...

Evolution of paired eyes in vertebrates was key to brain growth, enabling complex behaviour and cognition, highlighting the ...

A representation of single-cell RNA sequencing data from two species of worms, C. elegans (left) and C. briggsae (right). Each point represents a single cell, arranged such that cells from the same ...

A study traces the evolution of vertebrate eyes from a worm-like ancestor 600 million years ago. The research explains the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “It may be doubted,” Darwin wrote, “if there are any other animals which have played such an important ...