Think of the oldest things on Earth: the Pyramids, dinosaur bones, the Grand Canyon. Pretty old, right? Well, maybe compared to our own lives, but compared to the oldest things we've seen through a space telescope, they're basically brand-new.
In space, no one can hear you scream -- because, you know, sound can't travel in a vacuum. Despite this, scientists have discovered that outer space itself is letting out a pretty loud roar -- at least, in a manner of speaking. So what gives?
It's not just NASA pros staring into the night sky. Lots of skilled amateurs are out there pointing their telescopes into the great beyond. But can the average space enthusiast actually make a critical discovery?
Looking for water on faraway planets doesn't involve spotting rivers or oceans. Instead, scientists keep an eye out for what types of light a planet emits to figure out whether a planet might be life-friendly.
Fling away your Fodor's! Toss your TripAdvisor! We have the only guided tour of outer space you'll need -- a foray into the final frontier so ambitious it will make the Voyager probes' Grand Tours look like daytrips.