Nature Astronomy, Published online: 30 October 2023; doi:10.1038/s41550-023-02107-5 Juno’s close flyby of Ganymede on 7 June 2021 allowed the infrared mapping spectrometer JIRAM to observe the surface at unprecedented spatial resolution. JIRAM’s detailed spectroscopic characterization reveals past extensive aqueous alteration

Nature Astronomy, Published online: 26 October 2023; doi:10.1038/s41550-023-02120-8 Late-phase spectroscopy reveals that explosive nucleosynthesis, occurring in a bipolar collimated configuration, is commonly found for core-collapse supernovae, highlighting the importance of asphericity in shaping these diverse cosmic fireworks. ————— Free Secure

Nature Astronomy, Published online: 26 October 2023; doi:10.1038/s41550-023-02105-7 Space interferometry reveals the hidden and filamentary internal structure of the relativistic jet in 3C 279 at microarcsecond angular resolution. These details challenge previous assumptions on the morphology and radio variability of blazars.

Nature Astronomy, Published online: 26 October 2023; doi:10.1038/s41550-023-02102-w Venus’s atmosphere is linked to its interior and can be used to infer the planet’s evolution. Observed atmospheric N2, CO2 and surface pressures are best explained by an early phase of plate

Nature Astronomy, Published online: 26 October 2023; doi:10.1038/s41550-023-02077-8 Using NASA’s Juno mission measurements, researchers obtain a new high-precision map of Jupiter’s gravity field and confirm that the planet’s observed strong east–west jet streams penetrate inwards in a direction parallel to

Nature Astronomy, Published online: 23 October 2023; doi:10.1038/s41550-023-02096-5 New northern aurora emissions on Uranus in the infrared spectrum are detected after a 30-year search. The emissions, observed close to equinox, are most likely caused by the 88% increase in upper