Late last year, the sun began a new cycle of activity. It started slowly, but there were a handful of sunspots in early 2020. Conveniently, Daniel K. Innoye Solar Telescope (or DKIST) began operations in the same period. And when you take a 4-meter telescope to the top of the …
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As the dogs navigate, they appear to be using Earth’s magnetic fields. 170 dogs head north and south while tracing shortcuts back to their people. Dogs join the growing number of magnetically sensitive animals. It has been known for some time that some animals (migratory birds, mole rats, and locusts …
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Why was Betelgeuse toned down so dramatically? In October 2019 it began to weaken. It is a variable star, which becomes brighter and weaker in a cycle of about 420 days, so it is not unusual. But this time it started to fade … and then it didn’t stop. Normally …
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