Visionaries know why they get out of bed each day. Do you? Ethnographer and leadership expert Simon Sinek explains how to find direction and fulfillment in your personal and professional life.

A new book finds that Hitler relied on a number of drugs to rule Germany, including “crystal meth.”   

Two Canadian astronomers publish a paper with an extraordinary claim of possibly detecting alien signals.

Elon Musk wants to put 1 million people on Mars in 40 years. The internet had questions. Here are his answers. 

Whatever you do, don't look behind you – because the answer isn't there, says psychologist Alison Gopnik. The real ghosts are glitches in your brain, and in a way, that's even scarier.

Want to improve your mood? This study recommends you get walking, even for a short time, and even if your surroundings aren't picturesque. 

October had one, November will have one and December will have one, too. What’s the science of Supermoons? “The supermoon is a 16-inch pizza compared with a 15-inch pizza. It’s […]

Russian researchers unearth over 500 artifacts from a secret Nazi base in the Arctic.

Time travel has titillated scientists and science-fiction fans alike ever since HG Wells first conceived of it in the 19th century. But it plausible? Princeton astrophysicist John Richard Gott III discusses the two ways that it might be.

Of all the fictional ways humanity might possibly kill itself, zombies are the most likely. Here's the data to prove it.

Many women are unable to have children due to age restrictions on IVF. Dr. Dominic Wilkinson, Director of Medical Ethics at the Oxford Uehiro Centre for Practical Ethics, challenges the 4 most flawed arguments.  

A powerful scientific method of observation has helped scientists understand the brain. That method closely parallels Nobel Prize-winner Eric Kandel's journey to make his most famous discoveries.

Could we use computers to translate animal communication into human language? If so, what would we learn? And might it unlock a new understanding of existence and our place in the cosmos?

When companies hide algorithms from public view, the data are used for destructive purposes, warns Cathy O'Neil in her new book.

How does our perception of social status relate to health and success?

We might feel fuller, but eating foods marketed for "fullness" won't prevent us from consuming more calories, even when we're not hungry. 

From a “faint smudge” to the most intricate objects in our galaxy, we’ve come an incredibly long way. “From our home on the Earth, we look out into the distances … to […]

Just imagining movement fires the same neurons as if we were actually moving. A new study shows we can wake our sleeping mind to practice motor skills in our dreams.  

The idea of a world government has been a hot topic in the U.S. elections and throughout history.

This is the first evidence of any contact between ancient Greece and China.