These ghostly circles in the sky came out of nowhere
You might not notice these mysterious celestial imprints with bare eyes, but they're out there....
Ghostly circles in the sky can’t be explained. And astronomers are excited.
In September 2019, my colleague Anna Kapinska gave a presentation showing interesting objects she’d found...
Pufferfish may be carving mysterious ‘crop circles’ near Australia
Japan’s white-spotted pufferfish are renowned for producing complex, ringed patterns in the sand. Now, 5,500...