Geophysical evidence suggests there is a massive, magnetized structure deep beneath Australia. Experts think it could be the remnants of the largest meteor crater on Earth. When you purchase ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth.

The buoy belongs to Polarcus, an offshore geophysical company from Dubai that ... Oceans to the shores of Esperance in southern Western Australia, according to reports in the Australian media.