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Since 2017, the Research Notes of the American Astronomical Society (RNAAS) has provided a venue for brief research reports, student work, null results, and more. Editor Chris Lintott shares his reflections on a recent RNAAS milestone: 2,000 Notes.
The post Research Notes of the AAS Celebrates Its 2…
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Antonio Franco et al 2025 ApJS 277 33 Using a telescope suited to the study of crowded star fields, researchers have produced a 10,971,906-object catalog of stars toward the Small Magellanic Cloud.
The post COSMIC-S: A Photometric Catalog of Observed Stars in the Small Magellanic Cloud appeared firs…
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An international team of astronomers has, for the first time, successfully probed the early universe. An international group of astronomers has reached a new milestone in studying the early universe. Using the James Webb Space Telescope (JWST), the team identified a supernova, the catastrophic explo…
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A double explosion may have generated both gravitational waves and light. When the largest stars exhaust their fuel, they end their lives in powerful supernova explosions. These blasts scatter heavy elements such as carbon and iron into space, helping enrich the universe. A different and far rarer k…
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The four astronauts set to fly around the Moon during NASA’s Artemis II test flight depart the Neil A. Armstrong Operations and Checkout BuildingΒ at the agency’s Kennedy Space Center in Florida,Β during a dress rehearsal for launch day on Dec. 20, 2025. From leftΒ are CSA (Canadian Space Agency) astro…
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An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique position provided an unprecedented look at the comet’s dust and plasma tails from an unusual angle. Scie…