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Introduction: Water in the Birth of Planets When we imagine how planets acquire their oceans, the scene often jumps from cometary delivery and late-stage accretion…
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Overview: A Grand Cosmic Puzzle For decades, scientists have searched for concrete proof of dark matter—the invisible substance believed to constitute about a quarter of…
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The Big Reveal: A Hidden Partner in Betelgeuse’s Tale The star Betelgeuse, one of the most famous and enigmatic celestial bodies in our night sky,…
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Could intelligent life be more ordinary than we imagine? For centuries, scientists and philosophers have wrestled with the Fermi paradox: with hundreds of billions of…
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Lonely Giant No More: Betelgeuse Has a Companionship Secret Betelgeuse, the brilliant red supergiant marking Orion’s shoulder, has long captured the imagination of skywatchers. For…
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Discovery of a Rare Binary Pair In a breakthrough that enhances our understanding of how galaxies evolve, astronomers have captured compelling evidence of two supermassive…
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Overview: A surprising isotopic signal in Pacific sediments Scientists have identified an unusual spike in the radioactive isotope beryllium-10 (Be-10) in ocean sediments from the…
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Introduction: A New Milestone in Gravitational-Wave Astronomy International networks of gravitational-wave observatories have released version 4.0 of their catalog, listing 128 new black hole merger…
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Groundbreaking View of a Cosmic Dance In a moment that reshapes our understanding of black holes, Finnish scientists have produced the first-ever direct image of…
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Beyond Our Orbit: A tour of the cosmos’ most perplexing planets Planet hunting has yielded a catalog bursting with surprises. From pressure-made ice to diamond…
