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  • Six out of the eight planets of the Solar System have moons, which are inextricably linked to the planets’ formation. Finding moons of exoplanets is a new way to explore their origins.

    • Daniel C. Fabrycky
    News & Views
  • Oxygen is the building block of key species in planetary atmospheres and a potential life indicator. Ground-based spectroscopy is now used to detect oxygen on an ultra-hot Jupiter and to prove departure from thermochemical equilibrium.

    • Matteo Brogi
    News & Views
  • Supra-arcade downflows (SADs) are dark, turbulent flows that appear in the Sun’s corona during a solar flare, which have defied explanation for over two decades. A three-dimensional simulation can finally explain the origins of these plasma downflows.

    • Daniel B. Seaton
    News & Views
  • A new model demonstrates how the formation of annular structures in a protoplanetary disk can later produce planetary systems that reproduce both the orbital architecture and meteoritic isotope trends observed in our Solar System.

    • Bradley M. S. Hansen
    News & Views
  • A new model for the origin of the Solar System proposes planet building blocks formed fast from material that was transported outwards to cooler regions. It claims to be consistent with the properties of ancient meteorites.

    • Chris Ormel
    News & Views
  • The first robotically obtained samples of a carbonaceous asteroid have been safely returned to Earth. A non-destructive first-look analysis shows that asteroid Ryugu may be a CI chondrite with interesting variations.

    • Beth Ellen Clark
    News & Views
  • The accretion history of main belt asteroid Vesta is unknown. A new model shows Vesta may have accreted materials from the terrestrial planet region.

    • Simone Marchi
    News & Views
  • Unlocking the internal secrets of a β Cephei star with a state-of-the-art polarimeter may open up a greater understanding of whether a massive star eventually explodes in a supernova or collapses directly to a black hole.

    • Dietrich Baade
    News & Views
  • The limits on late accretion and its associated water delivery to potential habitable planets are derived by examining the dynamical stability of the resonance-bound TRAPPIST-1 system.

    • Masahiro Ogihara
    News & Views
  • A simulated hybrid emission model to mimic the morphology of the jet launching region of M87 reproduces the observed shape of the innermost jet and favours a high spin of the central black hole.

    • Bidisha Bandyopadhyay
    News & Views
  • A fluorine abundance measurement in a high-redshift galaxy demonstrates an early, quick rise in chemical enrichment of the Universe. The presence of fluorine at this early epoch also reveals a unique early source of the element.

    • Nils Ryde
    • Graham Harper
    News & Views
  • Radio images from the Low Frequency Array have revealed complex, filamentary radio emission around a radio galaxy undergoing multiple episodes of radio outbursts, showcasing the importance of magnetic fields for the survival of radio filaments far from the radio core.

    • Ruta Kale
    News & Views
  • Cosmological simulation TNG50 reveals that a recently discovered population of isolated but non-star-forming ultra-diffuse galaxies may have been gas-rich satellites of much more massive galaxies in the distant past.

    • Anna C. Wright
    News & Views
  • Recent observations show that some galaxies exist that have already run out of fuel only a few billion years after the Big Bang, challenging the current view on how galaxies form and evolve in a cold dark-matter-dominated Universe.

    • Claudia Maraston
    News & Views
  • The standard model of terrestrial planet formation ignores the role of orbital migration of planetary embryos. A new scenario shows how migration may have sculpted the inner Solar System’s orbital architecture, as long as embryos converged towards about 1 au.

    • Sean N. Raymond
    News & Views
  • A supernova, possibly of type Ia, gravitationally lensed by a massive cluster, is predicted to appear in the future. It has the potential to allow an independent, high-precision measurement of the Hubble constant.

    • Anupreeta More
    News & Views
  • Our view of fast radio bursts — millisecond duration pulses of high intensity — has gained significant clarity following the discovery of hundreds of sources that are helping us to understand the nature of this enigmatic phenomenon.

    • Duncan Lorimer
    News & Views
  • The measured blue and redshifts of galaxies within filaments in the local Universe are consistent with the large-scale flow of matter within walls, but they may also point to evidence for their rotation.

    • Katarina Kraljic
    News & Views