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 ...

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

I stuck to my "no telescope" rule for years, right up until a trip to New Brunswick's dark-sky corridor a few years ago, when ...