Ten of the new discoveries are considered Earth-like.
See for yourself!
These starkly beautiful illustrations will transport you to distant worlds.
“It is a fascinating object!”
Mercury, Venus, Saturn, Mars and Jupiter will align for first time in a decade.
It might happen in 20 to 40 million years, astronomers say.
A day in the life of the dwarf planet.
Water may have been a part of our planet's history since the beginning.
"This planet is going to be a favorite target of astronomers for years to come."