NASA: "Titan is the only world outside the Earth where we see bodies of liquid on the surface"
The discovery indicates there was "a big shakeup" early in the solar system, plus there won't be any...manned mission to Uranus any time soon!
These finds have intrigued astrobiologists, because methane is a possible biosignature
What does it look like to be in another planet?
Obstacles have slowed its progress
"It almost looks like a big, semi-transparent planet", but is it so?...
Scientists have found what looks like an exceedingly small galaxy in the orbit around our own Milky Way Galaxy
It will be humanity's farthest-ever encounter with another world
It is likely some 500 kilometres in diameter
It will study "Marsquakes" and the Red Planet's core