Astrophotography is a hobby with a huge learning curve, and one aspect that can muddy the waters is the dizzying array of filters on the market. What is narrowband? What size do I need? Which are good ...

Following Saturn is Venus, rising in New York at 2:51 a.m. on July 25. Venus is in Taurus, and so bright that it is ...

A viral claim says the world will go dark on Aug. 2. It won't — but a record-breaking solar eclipse is coming in 2027.