saturn

NASA's Cassini spacecraft has sent back some amazing images in it's 20 year service, and one image it has captured is this of Tethys, Saturn's fifth-largest moon. In this photo, Tethys' crater, Odysseus, makes the moon look suspiciously like the Death Star. Pretty incredible photo, and I do see...

On Friday morning, NASA will send its Cassini spacecraft into Saturn's atmosphere after more than 13 years of touring the planet. Called its "Grand Finale," the final stage will take the spacecraft through Saturn's rings and onto the planet, the closest it has ever gotten. The plan is prevent...