A Black Moon rises tomorrow (Aug. 23), though you won't see it. Its timing makes it a rare lunar event. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Earth's atmosphere scatters sunlight, making the sky appear blue due to shorter blue light waves. Longer waves, like red and yellow, dominate sunsets as light travels through more atmosphere. This ...

Bring a red light and snacks and get comfortable as you take in these celestial wonders. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. April 21 ...