When Alien: Earth debuted its first two episodes, there were certain things to expect. Xenomorphs, commentary on corporate greed, and deeper philosophical questions about artificial intelligence.

First, what is an ice age? It’s when the Earth has cold temperatures for a long time – millions to tens of millions of years – that lead to ice sheets and glaciers covering large areas of its surface.

The only thing scarier than a Xenomorph is this: One hundred years in the future, we're still watching Ice Age: Continental Drift. Without context, the reference might not make a lick of sense.

A light microscope image of a planktonic foraminifera collected from the water in the Southwest Indian Ocean. (Photo by Tracy Aze, University of Leeds via Courthouse News) (CN) — Carbon is one of the ...

A new study led by researchers at the Earth-Life Science Institute (ELSI) at Institute of Science Tokyo challenges a long-standing assumption about Earth's most extreme ice ages. Using numerical ...

Cosmic dust can tell scientists about how ice covered Earth during the last ice age. This dust is leftover debris from asteroids and comets... What space dust reveals about Earth's ice age Around ...

Mars is half the size of Earth, with one-tenth of our planet’s mass, and at the nearest point in its orbit is over 33 million miles away. Yet new research highlights the extraordinary influence the ...

Planet Earth used to be something like a cross between a deep freeze and a car crusher. During vast stretches of the planet’s history, oceans from pole to pole were covered with a blanket of ice a ...

Computer simulation of Earth's climate evolving over one million years in response to a sudden release of carbon dioxide to the atmosphere. UC Riverside researchers have discovered a piece that was ...