As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature.
Sorry to burst your bubble.
The finding offers tantalizing clues in the ongoing quest to piece together the origins of ORCs—mysterious, ring-shaped radio signals from space.
And it’s not clear if anything can be done about the problem.
Researchers have been trying to explain this bizarre radio signal for decades. A new study hones in on its potential source.
