NASA discovers Earth-sized planets in habitable zone
I've seen this in the media recently, and I think it's pretty cool that we're able to make these kind of discoveries. Who knows what will turn up next?
The question, "Are we alone?" has been asked throughout all of human history. We may be close to being able to prove that we are indeed not.
The planets are 40 light-years away in the constellation Aquarius, which is relatively close to us in the grand image of space. They are also all closer to their sun than Mercury is to ours, but their sun is very cool and water could potentially survive on the planets closest to it.
An artist's interpretation of what the planets could look like:
