When people spend their time struggling instead of gaining knowledge, they end up unhappy, no matter how smart they are.

Add Yahoo as a preferred source to see more of our stories on Google. The Sun's distance from Earth allows it to be habitable for life. DrPixel/Moment via Getty Images A popular model of evolution ...

Pop culture may have fooled us into believing that smartness comes in a fast, sharp and suave package. Here are three ...

For decades, scientists have debated whether humanity’s existence is a rare cosmic accident or the natural outcome of ...

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 ...

Here are seven traits I keep seeing in intelligent people who don’t broadcast it: The loudest “smart” people often want to be ...

The evolution of humans on Earth may not be entirely exceptional. That is because intelligent life is likely to form if certain planetary conditions are met, a new study suggests. This idea displaces ...

You know those people who seem to slip out of arguments like magicians escaping chains? They don't raise their voices, they ...

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 ...

It was around 1950. UFO mania had recently ramped up across the world, with dozens of reported sightings of strange flying machines fueling rampant speculation regarding their origins. The eminent ...

(THE CONVERSATION) 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 ...