This is not some DVD floating in space. It's a megastructure that might one day become humanity's home. The Earth might not remain habitable forever. It could get engulfed by a massive solar flare, or ...

The star “KIC 8462852” might not mean much to the average person. That is, it might not have until October 19, when the Search for Extraterrestrial Intelligence (SETI) Institute announced it would ...