The wonderful time-lapse video below records Perseid meteors above Canada. But it also contains a mystery.

There's nothing new under the sun, or, to put it another way, there is nothing new about Twitter's 140-character format for microblog posts.

The sunk cost fallacy means making a choice based on a desire not to see your past investment go to waste.

Is it pure dumb luck that we have not had an accident involving nuclear weapons? In fact, we have had many such accidents. 

"The more players that want to create original content and finance it," Littlefield says, "the more exciting it is in the world of ideas."

What would make a quantum computer so powerful is the ability to do many computations at same time.

The basic technologies to enable us to look inside the brain and see its functioning are growing exponentially. And they're at a point now where we can actually see individual interneural connections forming and firing.

The unemployment rate is high among young people, but much higher among the young of the working class.  What does this mean for the future of what we used to think of as "adulthood."

While Francis points the finger at leaders who have been "obsessed" with divisive social issues, some find his silence on these issues to be problematic.

How is it that certain clothes give us more confidence, so much confidence, in fact, that we find ourselves performing better when wearing them?

Why does the original pronunciation (OP) of Shakespeare's words matter? For one thing, two-thirds of Shakespeare's sonnets have rhymes that don't work in modern English. 

Why is that when we are in love we are nonetheless in mourning?

The Harvest Moon is the full moon that occurs closest to fall's equinox. This full moon will peak tomorrow morning at 7:13am EDT.

A 1,476-foot tower approved to be built in Seoul, South Korea is being promoted as the world’s first "invisible tower." 

According to the UN’s report, "Bashar al-Assad was likely responsible."

The British physicist Steven Hawking is living proof that someone can overcome enormous obstacles and still flourish as a human being.

No hurricanes. No cyclones. No tropical storms in the Atlantic, Pacific, or Indian Ocean. That was September 8, 2013.

The majority of crack addicts and methamphetamine addicts are rational decision-makers. 

Being only 12, Agrawal's version of an iRobot is not designed to do household chores but rather, deliver potato chips.

Manil Suri gives a full-throated defense of math as a field that is "about ideas above anything else."