Last week, beachgoers off an Iranian island were met by an eerie sight. The sand turned bright red as if the shoreline was ...

Most blood types fall into one of four blood type groups ... while people with neither antigen on their red blood cells have type O blood. In addition to the blood group type, a person may ...

"The cool thing about lunar eclipses is that they are visible all across the western hemisphere. So anybody from the East Coast to the West Coast from Canada and all the way down to South America, if ...

A total lunar eclipse will turn the moon red this Thursday. It will be best seen in North and South America. No special ...

This causes the Earth's shadow to fall on the moon ... from the Sun reach it − that's red light. The red light turns the moon that blood-red color. This total eclipse will last for more than ...