An interest in astronomy may strike early in life or later. Regardless of what lit the fire of that interest, you need knowledge to help you understand the universe. Some of the most important sources ...

There is no doubt that books have the power to change how people think about the world — and the universe — around them. But what makes a book influential? Does it need to have a major impact on ...

Astronomy is a subject as vast and fascinating as the night sky itself. Humans have been charting out changes in the heavens for thousands of years. During that time, our species’ growing ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." These days, high-tech cameras and sensors enable modern astronomers to do everything from hunting for ...