Scientists are calling the solar eclipse that will happen on August 21 "once-in-a-lifetime," so what makes it so special? Here are some facts and figures that have the experts at NASA and ...

From fiery 'blood moons' to ancient legends, discover the surprising science and history behind lunar eclipses. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

A solar eclipse occurs when the moon is positioned between Earth and the sun and casts a shadow over Earth. Solar eclipses only occur during a new moon phase, usually about twice a year, when the moon ...