New theory proposes that humans — and analogous life beyond Earth — may represent the probable outcome of biological and planetary evolution UNIVERSITY PARK, Pa. — Humanity may not be extraordinary ...

We might not be alone in the universe - and alien lifeforms could be human-like, suggests new research. Humanity may not be extraordinary but rather the "natural evolutionary outcome" for our planet ...

A new model increases the probability of intelligent life elsewhere in the universe, upending the decades-old “hard steps” theory that intelligent life was an incredibly improbable event on Earth. Are ...

Intelligent life may develop on planets as a rule, not an exception — increasing the odds of humanity existing beyond Earth, according to a new study. Researchers from Penn State University proposed ...

For decades, scientists assumed that life on Earth emerged through a chain of highly improbable flukes. But a new theory suggests it may have instead arrived just in time. When you purchase through ...

For decades, many scientists have relied on the "hard steps" model to suggest that intelligent life is rare — the improbable result of a series of unlikely evolutionary leaps. But new research by ...

We are indeed still evolving, though it can be hard to tell because it happens over generations and often involves things you can't see, such as what foods different people are able to digest. When ...