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 top half of the frame shows Jupiter and its four brightest moons through a telephoto lens — similar to what you'd see through binoculars. The bottom half zooms in to show each moon's unique ...

The American Astronomical Society says the April 8 total eclipse of the sun will be "hauntingly beautiful" and "one of the most spectacular sights in all of nature." But it's your own sight that you ...