Uncover 100 Things You Never Knew About The Earth! Explore mind-blowing facts from its fiery core to the moon's violent birth ...

When we look at the solid ground beneath our feet, it's easy to assume Earth has always been this way. But our planet tells a story so extraordinary, so ...

Add Yahoo as a preferred source to see more of our stories on Google. Last spring, Occidental Petroleum, an oil and gas company better known as Oxy, began drilling a massive hole in the shadow of a ...

The deepest hole ever drilled was the Kola Superdeep Borehole in Russia at around 7.5 miles deep between 1970 and 1994. At only one-third of the distance through the crust, equipment limits and ...

Koalas have built a reputation as low-key animals. While other species compete for territory or put on elaborate courtship displays, koalas often seem to call it a day and go back to sleep instead.