A total solar eclipse will be visible from Texas to Maine on Monday. This cosmic event occurs when the Earth, sun, and moon align perfectly. One diagram shows how a total solar eclipse works, and why ...

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 ...

Any eclipse, be it lunar or solar, comes with its own share of excitement, imagination, and rituals. People get excited to buy special glasses to witness the solar eclipse safely, or maybe the ...