Researchers at Nagoya University in Japan have conducted the most detailed simulation of the interior of stars and disproved a theory scientists have believed for 45 years: that stars switch their ...

Explore the mystery of Tabby’s Star and the theory of alien megastructures causing its strange light patterns. About four years ago, one star gained notoriety when some astronomers suggested its weird ...

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Mercury reaches its stationary point in Virgo today at 4 P.M. EDT. It will now begin moving westward, or retrograde, while also reducing its elongation from the Sun. The solar system’s smallest planet ...