Earth's magnetic field strength and atmospheric oxygen levels have oscillated in tandem for around 540 million years, ...

In a remarkable discovery beneath the rolling hills of central Kentucky, researchers have unearthed the fossilized remains of two previously unknown species of prehistoric sharks. These sharks, which ...

However, the Pacific Ocean, where the trench is located, is actually shrinking at a rate of 2–3 centimetres annually. This means that in millions of years the entire Pacific Ocean and the trench might ...