However, all of this should serve as a reminder that very few things remain unchanged for long on planet Earth. A mere 90 million years ago, Antarctica was a radically different place. Instead of ...

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising ...

As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

Researchers have proposed that Earth may have had a ring system 466 million years ago, during a period of intense meteorite bombardment known as the Ordovician impact spike. This finding ...

Could our solar system have been temporarily exposed to an enhanced flux of cosmic-rays at some point in the ancient past?

Millions of years ago, the Mediterranean ... on a critical moment in Earth’s geological history but also demonstrate the persistence of landforms over five million years,” Micallef added.