It’s rare but some solar eclipses cause stunning Instagram-worthy visual effects such as a devil’s horns, a smile or diamond ...

A “devil’s horns” or "solar horns" eclipse is stunning. It happens during a partial solar eclipse, when the moon only covers ...

made famous by the Cheshire cat character in "Alice in Wonderland," where the cartoon cat shows a perfect smile − just teeth. When people look up in the sky during an eclipse and see the sun ...