Last September, scientists around the world were puzzled by an unusual rumbling traveling through the Earth. It was a strong signal, but it wasn't an earthquake. No one knew what it was. Now, a year later, scientists have solved the mystery.
Posts tagged as “geology”
Scientists have learned more about the inner workings of the Earth by studying the way waves from earthquakes travel through the planet's center. The results suggest that the Earth's inner core may be starting to spin more slowly than the Earth.
In April, a group of Canadian scientists flying in a helicopter spotted something they didn't expect to see - a huge, unknown cave with an opening the size of a football field.