It shows an eye, often surrounded by rays of light, enclosed by a triangle. Artists used it to represent the all-seeing eye of God. The three points of the triangle represent the Christian ...

On August 21, as the moon slips between the Earth and the sun, millions of people around the United States will look skyward to watch the one-in-100 year event. Many will be tempted to look at the ...

Unlike a lunar eclipse, you'll need to wear safety glasses or take steps to otherwise protect your eyes to safely watch the ...

The best opportunity to potentially see all seven planets is coming up on Feb. 28 around 6:10 p.m. ET, according to Shanahan. Mercury, which is the closest planet to the sun, would be the first to be ...