Whether you’re an avid bird-watcher, an adventurous stargazer, or someone who simply loves the thrill of a live sports event, ...

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 ...

We've tested many image-stabilized binoculars — here's our expert verdict on whether you should bite the bullet and buy a ...

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 practice of using a device to project an image of the Sun is thousands of years old. But if using a pinhole doesn’t give the image quality you want, then try this project. The final image will ...

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 ...

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 ...

One of the joys of hiking is the close observation of the natural beauty of the wilderness, and a good pair of hiking binoculars can help. High quality optics allow you to view the songbirds providing ...

For backyard astronomers, the promise of image-stabilized binoculars is simple: sharper, steadier views of the night sky ...