Foil-lined foam insulation board, scraps of lumber, and a paint-thinner can hardly sound like the tools of a radio astronomer. But when coupled with an SDR, a couple of amplifiers, and a fair ...

Getting a closer look at the Moon isn’t particularly difficult; even an absolute beginner can point a cheap telescope towards our nearest celestial neighbor and get some impressive views.

Shopping for a junior stargazer? We've picked out the best telescopes for kids, perfect for wowing them with February's planetary parade or next month's breathtaking lunar eclipse. If there's a ...