Beneficial mutations happen quite frequently, but the world changes too fast for them to stick.

New fossil discoveries are reshaping scientists’ understanding of a pivotal chapter in human evolution, revealing that several human ancestor lineages lived side by side nearly 3 million years ago.

Here’s what you’ll learn when you read this story: All current life on Earth is the result of billions of years of slow, laborious, and endlessly fascinating evolution (if you include our time spent ...

When Richard Dawkins’s first blockbuster book was published half a century ago, few genes had ever been sequenced or studied in detail. Yet the book’s gene-centred view of evolution still has much to ...

Here’s what you’ll learn when you read this story: Scientists worry that our climate is changing at a rate that the usual slow progress of evolution can’t match. A new study shows evidence of ...

SAN DIEGO(AP) — Evolution works over millennia. Climate change is moving far faster. That mismatch is killing some of the planet’s most vital ecosystems, from California’s towering redwoods to the ...

A major research study is challenging one of evolution’s most influential ideas: that most genetic changes that become permanent are essentially neutral. Researchers at the University of Michigan ...

He was also a person of exceptional faith, a mystic, a Jesuit priest, and a gifted spiritual writer. At the time he was doing ...