Later this year, a prototype telescope is slated to land on the moon. It could usher in a new era of lunar radio astronomy.

Seeing the stars or the moon doesn’t have to be complicated; even a beginner can do it with the right scope. By John Alexander Published Feb 27, 2025 9:15 AM EST Add Popular Science (opens in a new ...

Optical telescopes have come a long way in the past two-and-a-half centuries — from homemade telescope of William Herschel to ...

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A person kneels on a platform reaching down toward a large, circular container full of glass pieces. To build the Giant Magellan Telescope, engineers constructed seven massive mirrors, the largest ...

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 ...