Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These ...
NASA has dismissed the alien theory for interstellar object 3I/ATLAS, but Harvard's Avi Loeb warns that ignoring anomalies ...
The distant universe might be littered with supermassive stars between 1000 and 10,000 times the mass of the sun, which could ...
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