Planetary Science
- 			 Planetary Science Planetary ScienceHere’s what you might have missed in space this yearMissions to Jupiter and Saturn made big headlines, and 2017 also saw exciting updates from missions of years past. 
- 			 Astronomy AstronomyNASA’s next stop will be Titan or a cometThe finalists for NASA’s next solar system mission aim to send a drone to Saturn’s largest moon or to return samples from a comet. 
- 			 Planetary Science Planetary ScienceSaturn’s rings are surprisingly young and may be from shredded moonsFinal data from the Cassini spacecraft put a date and a mass on the gas giant’s iconic rings. 
- 			 Astronomy AstronomyNew Horizons’ next target might have a moonNew Horizons’ next target, Kuiper Belt object MU69, may have a small moon. 
- 			 Planetary Science Planetary ScienceJupiter’s massive Great Red Spot is at least 350 kilometers deepNASA’s Juno spacecraft has measured the depth of Jupiter’s Great Red Spot for the first time. 
- 			 Earth EarthWatching this newborn island erode could tell us a lot about MarsThe birth and death of a young volcanic island in the Pacific Ocean may shed light on the origins of volcanoes in Mars’ wetter past. 
- 			 Planetary Science Planetary ScienceSaturn’s rings mess with the gas giant’s atmosphereData from Cassini’s shallow dives into Saturn’s ionosphere show that this charged layer in the atmosphere interacts with the planet’s rings. 
- 			 Astronomy AstronomyMost complete map of Titan reveals connected seas and cookie-cutter lakesThe latest map of Titan, based on all the data from the Cassini spacecraft, displays new details about the moon’s lakes and seas. 
- 			 Astronomy AstronomyWe still don’t know where the first interstellar asteroid came fromAstronomers are tracking stars to see if one of them launched the first interstellar asteroid at Earth. 
- 			 Astronomy AstronomyHere is Cassini’s last broad look at the Saturn systemTwo days before plunging into Saturn, Cassini took a mosaic image of the gas giant, its rings and its moons. 
- 			 Astronomy AstronomyHaze keeps Pluto cool by kicking heat out to spacePluto may be the only place in the solar system whose atmosphere is kept cool by solid hazes, not warmed by gas. 
- 			 Astronomy AstronomyNASA wants your help naming New Horizons’ next destinationNASA’s New Horizons mission team is asking the public to vote on a nickname for the spacecraft’s next destination. By Mike Denison