A bizarre new discovery in the deep Pacific Ocean has scientists scratching their heads, and for good reason. Far beneath the ...

Oxygen is crucial for life as we know it, but before it could build up in our atmosphere, earth had to slow down. Hosted by: ...

But despite its importance, many of the most fundamental properties of the core are unknown. We do not know exactly how hot the core is, what it is made of or when it began to freeze. Fortunately, a ...