Planetary Science
- 			 Science & Society Science & SocietyReaders react to the SN 10 and Jocelyn Bell BurnellReaders expressed their thoughts about the SN 10 scientists, Saturn's hexagons and Jocelyn Bell Burnell. 
- 			 Planetary Science Planetary ScienceNASA’s Mars 2020 rover will look for ancient life in a former river deltaNASA’s Mars 2020 rover is going to Jezero crater, the site of an ancient river delta that may harbor signs of life. 
- 			 Planetary Science Planetary ScienceTiny satellites will relay news of InSight’s Mars landing in minutes, not hoursNASA’s InSight Mars lander brought along two tiny CubeSats to send details about the spacecraft’s landing to Earth in almost real time. 
- 			 Astronomy AstronomyAstronomers spot another star that flickers like Tabby’s starThe irregular flickering of star VVV-WIT-07 is reminiscent of Tabby’s star, which brought speculation of alien megastructures. 
- 			 Astronomy AstronomyOne of Earth’s shimmering dust clouds has been spotted at lastAlmost 60 years after a Polish astronomer spotted clouds of dust orbiting Earth near the moon, astronomers have detected those clouds again. 
- 			 Planetary Science Planetary ScienceChina is about to visit uncharted territory on the moonThe next two Chinese missions to the moon will visit places no spacecraft has been before. The rest of the world wants a piece of the lunar action. 
- 			 Planetary Science Planetary ScienceHints of Oort clouds around other stars may lurk in the universe’s first lightSifting through the universe’s early light could reveal planetary graveyards orbiting other stars. 
- 			 Planetary Science Planetary ScienceDawn, the first spacecraft to orbit 2 alien worlds, has gone silentThe Dawn probe, which hopped between two objects in the asteroid belt during its seven-year mission, ran out of fuel and stopped calling home. 
- 			 Planetary Science Planetary ScienceSaturn’s moon Dione has stripes like no others in the solar systemIcy moon Dione has long, thin, bright lines at its equator that run surprisingly parallel to each other for tens to hundreds of kilometers. 
- 			 Planetary Science Planetary ScienceSpiky ice spires may stud the equator of Jupiter’s moon EuropaFields of jagged ice spires, if they exist, could affect where future spacecraft land on the Jovian moon. 
- 			 Planetary Science Planetary ScienceSaturn’s ‘ring rain’ is a surprising cocktail of chemicalsNASA’s Cassini probe got a closeup view of the material falling from Saturn’s rings into the planet. The data could help illuminate the belts’ origins. 
- 			 Earth EarthChristopher Hamilton explores the architecture of other worldsPlanetary scientist Christopher Hamilton uses Earth’s volcanic structures are a blueprint for how lava shapes other worlds.