Not all solar eclipse glasses are created equal. Here is where to buy (or how to repurpose) eyewear that will protect your retinas from harm.
Solar eclipses are one of nature’s grandest events. What is a solar eclipse? How do they work? And when is the next one? We explain.
The next total solar eclipse visible in the United States will be on 21 August, 2017 at approximately 1:25pm CST. The best viewing area for this eclipse (gre...