Two huge coronal holes have appeared on the sun this month, spewing 1.8 million mph solar winds towards the Earth. Here's what they are, how they form and their impact on our planet.

About that giant hole on the golf course in Mexico The much-talked-about and often photographed cenote at El Camaleon is smack dab in the middle of the fairway on the course's par-5 seventh hole.

A giant "hole" has appeared on the surface of the sun, and it could send 1.8 million-mph solar winds toward Earth by Friday.