An artist's impression of an ENT. (W. M. Keck Observatory/Adam Makarenko)The Gaia space telescope has unexpectedly captured a previously unknown type of enormous cosmic explosion—arguably the biggest bursts since the Big Bang itself.Gigantic Flares from Distant GalaxiesOriginating from distant galactic cores, Gaia detected sudden and intense surges in brightness—massive light flares that lasted far longer...
An artist's impression of a supernova exploding near the ancient EarthNASA/CXC/M. WeissAstrophysicists have taken a forensic approach to a cosmic mystery, tracing radioactive elements on the seafloor back to potential supernova explosions. Their findings suggest a possible link between these cosmic events and evolutionary changes in viruses within an African lake.The key evidence is...
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