The lunar terminator, the sunset/sunrise line that sweeps across the Moon’s surface as the Moon orbits Earth, travels at a rate of 9.6 mph (15.4 km/h) along our satellite’s equator. Taking the average ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why do people use telescopes to look into space ...

Rugged, powerful and designed for the ultimate adventure, these image-stabilized binoculars can keep up with you and then some.

Get the Celestron TrailSeeker 8x42 for their best price in over a year — a fantastic pair of binoculars for skywatching on the go. When you purchase through links on our site, we may earn an affiliate ...

This Amazon Prime Day binocular deal will give you an incredible view of the night sky for less as the best stargazing binoculars are currently 26% off the RRP. When you purchase through links on our ...