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New clues from Palomar photographs: transient sky objects tied to nuclear testing A recent analysis of archival images from the Palomar Observatory, dating from 1949…
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Introduction: A New Window on the Cosmos For centuries, humanity has peered at the night sky with increasing sophistication, from naked-eye observations to space-based telescopes…
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New Tools to Seek Earth-Like Planets Among the vastness of the universe, Earth remains the only known cradle of life. Yet researchers are relentless in…
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Overview: Giving James Webb a sharper cosmic sight When NASA launched the James Webb Space Telescope (JWST) in 2021, its success depended on keeping a…
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Explaining Quasars and the Mystery of OJ287 Quasars are among the most luminous and energetic objects in the universe. Their extraordinary brightness stems from supermassive…
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Introduction: A Debut Night in the Cosmos Betelgeuse, the brilliant red supergiant marking Orion’s shoulder, has long captured the imagination of stargazers and scientists alike.…
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Unveiling a Hidden Ocean Beneath an Icy World Saturn’s small, cratered moon Mimas has long been dismissed as a frozen relic, its surface pockmarked by…
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Unveiling a Dark Messenger: A Million-Sun-Mass Object in Deep Space In a remarkable breakthrough, astronomers have identified a mysterious object weighing about 1,000,000 times the…
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New measurements by GRAVITY+ challenge long-held estimates of the Universe’s brightest quasar Peering back to the early universe often requires scientists to rely on indirect…
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Introduction: A luminous intersection of technology and nature A stunning sight unfolded high above Earth when an International Space Station (ISS) crew member recorded a…
