NASA's New Interplanetary GPS Is More Old School Than It Sounds

Here's a space-age idea if you've ever heard one: NASA is building a galactic GPS system that will provide astronauts a better, more accurate map through our solar system. This is obviously an ambitious undertaking, one that will take generations, not years, to complete. » 6/06/13 11:09am 6/06/13 11:09am

Citizen Scientists Discover Pulsars in Deep Space

While your computer is running idle, it could be finding new pulsars and black holes in deep space—just like the computers of three volunteers running a program called Einstein@Home. » 8/12/10 8:20pm 8/12/10 8:20pm

How Do You Avoid Hitting Stars at Warp 5? A Pulsar Positioning System

OK, mind blowing: A scientist at the Observatoire de Paris basically invented GPS for interstellar travelers: Simply tune in the radio signals from four pulsars, crunch some numbers having to do with relativity (natch) and read your position within the galaxy—to within a meter. » 5/27/09 11:00pm 5/27/09 11:00pm