Astronomers may have found Earth's closest cousin
NASA telescopes have discovered the most Earth-like
planet ever seen.
Experts say it's too soon to know if the planet can
actually support life.
but this discovery is a step in the right direction.
We definitely don't have proof that this point, but
every step you take that says here is a planet that
kind of looks like the earth, here's one that could
have liquid water, here's one that could support life
if we put it there, each step is at least a step up