The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many ...

There seems to be too much of a radioactive element in rocks deep in the Pacific Ocean – how did it get there 10 million ...

Discovered over a century ago, the late Upper Paleolithic archeological site included stone and bone tools, evidence of ...

The Cycle of Ice Ages Ice ages don't just appear out of nowhere. They are part of a natural cycle that our planet has ...