Dwarf planet

Space Photos of the Week: Saturn, You So Pretty

This image, taken by NASA’s Mars Reconnaissance Orbiter, shows a landslide and rocky deposit in Simud Valles, a channel on Mars shaped by ancient floods.
1 / 7 In the latest from the Cassini mission, Saturn’s shadow on its rings shrinks as the planet tilts and orbits the sun, moving towards the planet’s solstice.NASA

The universe dished up a host of exciting new discoveries this week. From a shadow on Saturn’s rings to a murky baby…