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 ...

A popular model of evolution concludes that it was incredibly unlikely for humanity to evolve on Earth, and that ...

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 ...

Scientists suggest finding extraterrestial intelligence is more likely than thought, arguing that complex life is not a cosmic fluke. NASA Scientists have adhered to the “hard steps” model of ...

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 ...

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 ...

"We're arguing that intelligent life may not require a series of lucky breaks to exist." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...

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 ...

Some of the greatest evolutionary biologists of the 20th century famously dismissed the prospect of humanlike intelligence beyond Earth. Elen11 Elen11/Getty Editor’s note: The Focus on Research column ...

A popular model of evolution concludes that it was incredibly unlikely for humanity to evolve on Earth, and that extraterrestrial intelligence is vanishingly rare. But as experts on the entangled ...