We’ve featured backyard radio astronomy before a few times, from this UHF school science project to another satellite TV based telescope. Keep them coming! A thank you to Southgate ARC for the prod.

Of course, you could build your own, although to get up to 500 meters might be a stretch. If your backyard isn’t that big, you can build a tiny radio telescope too.

The first trial of an Australian-developed technology has detected mysterious objects by sifting through signals from space like sand on a beach. Astronomers and engineers at CSIRO, Australia's ...