Thirteen million years ago, a group of medium-sized monkeys known for guarding their territory among the treetops with fearsome "howls" started doing something new. These monkeys, among the oldest ...

We believers cannot answer our own questions, at least not to our satisfaction. But we equally cannot stop asking those questions, and that is what makes life worth living.

Not long ago, a cellphone was a cell phone. A teenager was a teen-ager. Goodbye was good-bye. A website was a Web site. Legroom was leg room. Words and compounds evolve all the time. But in this ...

Editor's note: In honor of the 250th anniversary of the signing of the Declaration of Independence, the Register-Guard and its sister publication, the Statesman Journal, are embarking on a year-long ...

• 13 million years ago, a medium-sized monkey known for guarding its territory among the treetops with a fearsome “howl” started doing something new. This monkey, one of the oldest known ancestors of ...

A long-standing debate about the evolutionary origin of the world's most widely cultivated "magic mushroom"—Psilocybe cubensis—may now have been settled by scientists from southern Africa and the ...

From “universe” to “gossip,” explaining the origins of everyday words.

Albert Einstein’s famous quote about logic and imagination still sparks debate today. Why did the legendary physicist believe ...

Good luck understanding the meaning of any of these Trump quotes, beyond the implication that we're taking over Cuba.

The fossilised bones of our ancestors remain silent. So, how can we possibly imagine what our earliest languages sounded like ...

Think about the last time you told a story to a friend. You probably adjusted it halfway through. You saw their eyebrows lift. You noticed them lean in, or glance away. You clarified a detail. You ...

Watch your mouth. Your parents repeatedly told you that the bad habit of swearing was disrespectful or lazy, but research now says cursing might actually be good for you.