Astronomers focussed on the large dark basin toward the lunar north pole called Mare Frigoris
Intense rainstorms reshape Titan’s surface
Heavy methane downpours produce erosive features similar to those found on Earth
Dwarf planet Ceres found to be source of organic materials
Data from the Dawn spacecraft suggests the world’s interior is the source, as opposed to arriving via impacting asteroids or comets
Rocky, volcanic exoplanet discovered just 21 light years away from Earth
Three super-Earths and a “small Saturn” have been found relatively close to us