Nature Astronomy, Published online: 27 May 2024; doi:10.1038/s41550-024-02275-y Although ongoing volcanic activity on Venus has been hypothesized, directly detecting active lava flows is challenging. Now, an analysis of Magellan radar images of Venus acquired at different times provides indications of

Nature Astronomy, Published online: 22 May 2024; doi:10.1038/s41550-024-02274-z The Sanya incoherent scatter radar (SYISR) system has now been augmented to become the world’s first phased-array tristatic ISR system, enabling it to sense volumes of the Earth’s ionosphere, explain the SYISR-TS

Nature Astronomy, Published online: 22 May 2024; doi:10.1038/s41550-024-02283-y The fleeting, beating heart of the Snake ————— Free Secure Email – Transcom Sigma Transcom Hosting Transcom Premium Domains

Nature Astronomy, Published online: 22 May 2024; doi:10.1038/s41550-024-02276-x The near-infrared spectrometer onboard JWST has detected CO2 and CO ices on 56 and 29 trans-Neptunian objects, respectively, indicating two dominant compositional types among them. These compositional differences suggest varied formation regions

Nature Astronomy, Published online: 21 May 2024; doi:10.1038/s41550-024-02286-9 The fillings of a protoplanetary layer cake ————— Free Secure Email – Transcom Sigma Transcom Hosting Transcom Premium Domains

Nature Astronomy, Published online: 21 May 2024; doi:10.1038/s41550-024-02268-x Utilizing a synergistic dataset from three Mars orbiters, it is shown that water photolysis above the main region of cloud formation in the Martian atmosphere is the dominant source of hydrogen available