NASA has spotted a distant planet that's as close as it comes (so far) to the one we call home. Here's a look at how it compares with other recently discovered planets -- and with our rock.
Data from the Kepler Space Telescope reveals a planet that hits the triumvirate of being just right: It's the right size in the right place, and is around a star the right size.
From the Big Bang to mammals with big brains, the Internet's resident smart guy runs through literally everything in the time it takes to stand in line for a latte.