SpaceCassini's Grand Finale: The spacecraft that unveiled Saturn From magical rings to loony moons to giant polar hurricanes, in 13 years orbiting Saturn the Cassini probe has exposed many wonders. Here's our pick Features
EarthAsteroid Florence buzzes Earth in closest fly-by since 1890 A 4.4-kilometre-wide space rock whizzed past Earth on its closest orbit in over a century. This asteroid won’t get this close again until after 2500 News