[RickyShaww]

Don't we know this in high school. Of course the universe is full of planets.

[vidarh]

Unless you left high school within the last few years, no we didn't. We might have assumed, but the evidence is quite new.

[grannyg00se]

Here's the new and surprising take-away:

"In other words, roughly 15 percent of all suns could, in principle, be hosting a place suitable for life as we know it. "