Something caused a giant black hole’s bright corona to wink out. Researchers suspect it may have been a collision with a star, illustrated here. Telescopes all over the world watched a bright flash appear around a distant, supermassive black hole.…
Researchers initially thought this skull belonged to a bird-like dinosaur. Now, evidence suggests that it’s the head of a lizard. A fossil attributed to a teensy, feathered dinosaur may not be a dinosaur at all, but rather a … lizard,…
THE END OF THE WORLD could strike in less than half a century, according to one of the greatest scientists of all time, Sir Isaac Newton. The legendary British mathematician, physicist and astronomer is credited with discovering gravity in the…
COVID-19 outbreaks are often followed by headlines saying that intensive care units (ICUs) have hit capacity. But what does it really mean for an ICU to be full? In normal times, ICUs typically run at roughly 70% to 80% capacity,…
A doctor in Israel appeared to have recovered in April before ‘contracting’ the virus a second time in July, raising questions about immunity and whether covid remains in the body A doctor has reportedly been diagnosed with coronavirus twice, three…