Is It Time to Accept That We're Alone in the Universe?

We have yet to discover any signs of aliens, a troubling observation that has led to much speculation. One possible solution to the Great Silence is that nobody's out there. It's a conclusion that sounds impossible to believe, but there may be something to it. Here's why we may be alone in the universe. » 11/05/14 5:17pm 11/05/14 5:17pm

Can Congress Grant Private Companies The Right To Mine Asteroids?

U.S. companies are eyeing asteroids as the next frontier in lucrative mining ventures. But, they say, their plans are stymied by the vague status of private ownership in space. Earlier this summer, members of Congress introduced a bill to protect property rights for commercial exploitation of asteroids. Is that legal? » 8/14/14 8:29pm 8/14/14 8:29pm

Here's how city life is actually affecting your health

There is a truism, often bolstered by pseudoscience, that people in the country are healthier than people in the city. Certainly there are many health problems associated with the metropolis. But it turns out that urbanites are often in better shape and live longer than their rural counterparts. » 1/22/14 5:37pm 1/22/14 5:37pm

Why You Should Upload Yourself to a Supercomputer

We're still decades — if not centuries — away from being able to transfer a mind to a supercomputer. It's a fantastic future prospect that makes some people incredibly squeamish. But there are considerable benefits to living a digital life. Here's why you should seriously consider uploading. » 1/09/14 3:18pm 1/09/14 3:18pm

The Objects in Space That We Really, Really Can't Explain

Forget UFOs — there are a lot of objects and events in space that are identified, but still completely incomprehensible. From planets in our solar system, to inexplicable energy bursts from across the universe, here are some of the enduring mysteries of the space and time we call home. » 1/02/14 5:33pm 1/02/14 5:33pm