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 ...

When scientists describe “Earth-like” planets, the phrase often brings to mind worlds scattered across the galaxy, quietly waiting to host oceans, forests, and perhaps civilizations. A recent ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Across astronomy and astrobiology, a quiet but profound shift is underway. Instead of assuming the galaxy teems with civilizations, a growing body of research argues that complex, technological life ...

I am one of the 65% of Americans who believe that intelligent life exists on other planets. We have no way of knowing what level any of them have evolved to but I would guess that most are not at our ...

Jane Wagner’s The Search for Signs of Intelligent Life in The Universe premiered on Broadway in 1985. The original production ran for 391 performances and was awarded a Drama Desk Award for Unique ...

Add Yahoo as a preferred source to see more of our stories on Google. New models of planetary atmospheres and stellar radiation suggest that worlds capable of supporting intelligent life may be far ...