The nearest sunlike star is Tau Ceti, only 12 light-years away. It's now known to have at least 4 planets orbiting it, with relatively small masses, tantalizingly close to Earth's mass.
The next target for the New Horizons spacecraft - which passed Pluto in 2015 - reveals itself, intriguingly, to be a possible contact binary, that is, 2 objects in 1.
It's the nearest exoplanet and in its star's habitable zone. But a new study suggests radiation from its star would drain an Earth-like atmosphere 10,000 times faster than on Earth.
Scientists expand their knowledge of the stew of ingredients in the atmosphere of Saturn's large moon Titan, and contemplate whether Titan has cooked up life.