Go outside right now. What’s the farthest thing you can see? A tree? A bird? What about the Moon? It’s 250,000 miles away. The Sun is 400 times farther than that, at nearly 100 million miles (but ...

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 ...

Binoculars are clearly the greatest invention ever bestowed upon the naturalists of the world. Before binoculars, our knowledge of many birds was vague to nonexistent. Now anyone can pluck distant ...

The best bird-watching binoculars must sport quality optics, be weather-proof and very comfortable to use for long periods of time. After all, if you're a seasoned birder, you'll know there's nothing ...

The brilliant morning light of Mexico's Sonora spread across a distant ridge, and the seemingly open expanse became a kaleidoscope of confusion. The greens of brush were tangled and twisted against ...

The summer Milky Way is one of the many things you get to enjoy if you are lucky enough to live in the Four Corners. From most big cities you might never get the chance to see it. On more than one ...

The Celestron Nature DX ED 10x50 binoculars offer a 10x magnification with 50mm lenses, suitable for observing celestial objects like the Moon, Saturn's rings, and various deep-sky objects. These ...

Tim Cosby of Ramer is the retired former chief of Alabama's Conservation Law Enforcement division and a huge squirrel hunter. Cosby trains dogs, enjoys using a .22 rifle he's tricked out with some ...

Celestron is a trusted name in optical equipment, especially binoculars, for their high quality, superior performance and competitive prices. Because of the vast array of uses, from birding to ...

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 ...

Human vision is pretty remarkable relative to the rest of the animal kingdom. We can pick out large objects miles away, but even “eagle-eyed” people with perfect vision struggle to make out details ...