Iceberg A-23A has had a more eventful run than most of the large Antarctic icebergs that have calved from the continent’s ice shelves in recent decades. Over its winding, forty-plus-year

Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻 Follow on

Planetary system of GJ 1137 relative to the conservative habitable zone (cHZ; green) and the optimistic habitable zone (oHZ; yellow), respectively. Black orbital bands come from our 1σ posteriors of

Top: Left: false color NIRCam image of the Orion Bar11 showing the NIRSpec mosaic footprint (white boundary). The composite image combines AIB emission (red), H2 emission (green), and H I

The reconstructed timeframe of the YSDP-4 drill core. (A) Depth-adjusted χfd% series (gray curve), with a seven-point window moving mean (blue curve). (B) Filtered output of χfd% series with approximately