9. Not The Oldest • Earth.com

Big Bertha is of course a fascinating discovery, but it isn’t actually the oldest formation ever discovered. That honor goes to some crystalized zircon samples which were uncovered in the west of Australia. These minerals are thought to be about 4.4 billion years old, which means they formed just 150 millions years after the planet itself.

News coming your way
The biggest news about our planet delivered to you each day