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When Gas Giants Share the Sky: The Discovery of Planetary System TOI-4468
Using the Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new planetary system about 1,200 light years away. The newfound system is unique among others as it hosts a close outer…
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Astronomers May Have Spotted the First-Ever Binary R Coronae Borealis Star
For decades, astronomers believed that the hydrogen-deficient R Coronae Borealis (RCB) stars were strictly solitary survivors of catastrophic mergers of two dead white dwarfs. But one of such RCBs, designated WISE J005128.08+645651.7, is turning that textbook…
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Venus Lost: The Forgotten Soviet Conquest of Earth’s Sister Planet
Venus is a world roughly the same size and mass as Earth, wrapped in a blanket of reflective clouds. Between 1961 and 1984, the Soviet Union launched a quiet, relentless campaign to breach those clouds. However,…
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CHARA Interferometer Uncovers Hidden Twin Stars in Alpha Piscium
Astronomers have achieved the first successful on-sky demonstration of dual-field interferometry at the Center for High Angular Resolution Astronomy (CHARA) Array, using the ultra-high-resolution technique to resolve a long-suspected stellar twin in the Alpha Piscium system.…
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Tracking Knots of Plasma: Astronomers Uncover Single Black Hole Firing Jets at Changing Speeds
Recent observations performed by an international team of astronomers have revealed a surprising phenomenon: the exact same black hole launched jets with drastically different velocities, ranging from mildly relativistic to hyper-fast speeds, across successive state transitions.…
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Astronomers Spot a Cosmic ‘Hatchling’ Quasar Shedding Its Dusty Cocoon
Astronomers have caught a quasar in a fleeting, violent evolutionary transition. Nicknamed “The Hatchling” (cataloged as JADES-GS 209777), the brilliant cosmic engine is actively blasting away the dense cloud of gas and star-forming dust that kept…