Could We Move The Sun?

At some point in the far future, our descendants may want to relocate the Sun — a hypothetical megascale project referred to as stellar engineering. But as crazy as that sounds, the physics says it could work. Here's how we'll do it. » 8/02/13 6:40am 8/02/13 6:40am

How to detect massive alien spaceships powered by stars

Some visionaries speculate that extraterrestrial civilizations may be capable of using the energy extracted from their suns to power planet-sized spaceships. A professor from the University of Edinburgh says he knows how we might be able to find such objects. » 6/26/13 2:37pm 6/26/13 2:37pm