Read article: Interstellar object ‘Oumuamua is propelled by outgassing, say astronomers Planetary science Research update Interstellar object ‘Oumuamua is propelled by outgassing, say astronomers Cigar-shaped object appears to be accelerating like a comet
Read article: Organic molecules found in ancient Martian rocks Planetary science Research update Organic molecules found in ancient Martian rocks Discovery by NASA’s Curiosity rover suggests red planet could have supported life, say scientists
Read article: Dunes of frozen methane spotted on Pluto Planetary science Research update Dunes of frozen methane spotted on Pluto Winds transport sand-sized grains, say scientists
Read article: Iron in Earth’s core might be cubic, not hexagonal Planetary science Research update Iron in Earth’s core might be cubic, not hexagonal New diamond-anvil data appear at odds with previous results
Read article: Correcting Einstein’s calculation of the orbit of Mercury Planetary science Research update Correcting Einstein’s calculation of the orbit of Mercury Shift of one degree every two billion years could be measured by space mission
Read article: Juno looks deep below Jupiter’s surface Planetary science Research update Juno looks deep below Jupiter’s surface Giant planet’s gravitational field reveals a hidden world
Read article: TRAPPIST-1 exoplanets could harbour significant amounts of water Planetary science Research update TRAPPIST-1 exoplanets could harbour significant amounts of water All seven worlds circling a red dwarf could be habitable, say astronomers
Read article: Optical ‘astrocomb’ could boost searches for Earth-like planets Telescopes and space missions Research update Optical ‘astrocomb’ could boost searches for Earth-like planets Microresonator cavity operates at frequencies needed to make extremely precise observations
Read article: Shadows of Saturn’s rings complicate ionosphere Planetary science Research update Shadows of Saturn’s rings complicate ionosphere New insights revealed by Cassini probe's close approaches
Read article: How to build a planet Planetary science Opinion and reviews How to build a planet The Planet Factory by Elizabeth Tasker offers a “thorough guide to how exoplanets are opening our eyes to the cosmic possibilities for life”, finds Louisa Preston
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