79 Transport of water to the upper atmosphere of Mars is driven by the seasons and dust storms, dominating the planet’s water loss to space.

78 Extraterrestrial ribose and other sugars in primitive meteorites.

77 Close-range remote sensing of Saturn’s rings during Cassini’s ring-grazing orbits and Grand Finale.

76 The near-Earth asteroid Ryugu probably formed by reaccumulation of rubble from an impact on a larger parent asteroid.

75 Dynamics in the Phobos Environment.

74 The merger that led to the formation of the Milky Way’s inner stellar halo and thick disk.

73 Organic matter preserved in 3-billion-year-old mudstones at Gale crater, Mars.

72 Background levels of methane in Mars’ atmosphere show strong seasonal variations.

71 A density cusp of quiescent X-ray binaries in the central parsec of the Galaxy.

70 Jupiter’s atmospheric jet streams extend thousands of kilometres deep.

69 Clusters of cyclones encircling Jupiter’s poles.

68 Detection of nanoflare-heated plasma in the solar corona by the FOXSI-2 sounding rocket.

67 Jupiter’s interior and deep atmosphere: The initial pole-to-pole passes with the Juno spacecraft.

66 Star formation inside a galactic outflow.

65 Cassini finds molecular hydrogen in the Enceladus plume: Evidence for hydrothermal processes.

64 A retrograde co-orbital asteroid of Jupiter.

63 An intermediate-mass black hole in the centre of the globular cluster 47 Tucanae.

62 Ribose and related sugars from ultraviolet irradiation of interstellar ice analogs.

61 Lunar true polar wander inferred from polar hydrogen.

60 Ancient Babylonian astronomers used techniques from geometry to calculate the position of Jupiter.

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