We all know assholes. Perhaps, you are one. Now, psychologists are trying to answer one of life's biggest mysteries: What, exactly, makes someone an asshole?

The Hyperloop is physically possible, but engineering challenges will make its construction very difficult. Also, accidents would be catastrophic.

Immersive learning creates an interactive environment in which learners have the power to customize their experience. 

The hyperloop would be a great idea for a completely flat planet. With topography and infrastructure, it's a very different story.

Cats know more than they let on.

Everyone loves a good origins story.

"The pulsar sort of consumes the thing that recycled it, just as the spider eats its mate.”

Your inner voice can be the devil on your shoulder or the angel. It depends on where your focus lies.

Your old-fashioned chronological age is just a number. Your biological age can tell you how healthy you really are.

13.8 billion years ago, the hot Big Bang gave rise to the Universe we know. Here's why the reverse, a Big Crunch, isn't how it will end.

The answer may lie in the particular way sand forms on Titan.

Bernini created art for 8 different popes. In the process, he helped reinforce and redefine Christianity’s visual culture.

Now they're pointing the way to future battery technologies.

Human sacrifice appears to be as old as humanity itself. Still, experts disagree on how and where the practice first originated.

It's not just the language of love.

Atomic clocks keep time accurately to within 1 second every 33 billion years. Nuclear clocks could blow them all away.

Pseudoscience is science’s shadow.

But does Amazon know when you're tired or hungry?

What you need to know about this smallpox cousin.

Will nature or nurture win out?

Did traditional Chinese thought pave the way for the philosophy of Maoism?

In all of human history, only 5 spacecraft have had the right trajectory to exit the Solar System. Will they ever catch Voyager 1?

Data from the Zhurong rover suggests the Red Planet was wet more recently than we thought.

A happiness expert explains why.

Searching for truth in unorthodox ways can be a valuable exercise. But Anatoly Fomenko's alternate world history is just plain weird.

The site will be the first working example of a geological disposal facility.

Shame is a powerful tool that must be used with care.

One form of domestic abuse involves a parent breaking their child’s connection with the other parent.

Geopolitics is not a magic 8-ball. But making financial decisions — such as those regarding retirement — in a multipolar world without geopolitics is akin to flying blind in a storm.

Signals from the environment, such as those detected by your sense organs, have no inherent psychological meaning. Your brain creates the meaning.