An international team of Earth and environmental scientists has found evidence that the Ronne Ice Shelf in the West Antarctic ...

“We have a strong indication that the uppermost 2,480 meters contain a climate record that goes back to 1.2 million years in a high-resolution record where up to 13,000 years are compressed into one ...

This week, uncover some of the oldest ice on Earth, follow a dinosaur highway, learn how Pluto sealed the capture of its moon Charon with a “kiss,” and more.

By analyzing sulfur and volcanic ash entrained in ice cores, researchers pinpointed a caldera in the remote Kuril Islands as ...

ice core from the Antarctic ice sheet. The sample extended so deep that scientists reached the bedrock beneath it. The ice core spans at least 1.2 million years of Earth’s climate history.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An international ...

The deeper the cores go, the more history they contain — and the icy layers could also solve some of the biggest questions about mysterious eras in Earth’s 4.5 billion-year history. A research team ...

The extracted ice core harbors data such as historical atmospheric temperatures, as well as incredibly preserved samples of air – and the greenhouse gases within it – spanning thousands of years.

A colossal ice core sample drilled in Antarctica may contain the oldest, unbroken timeline of Earth's climate, stretching back more than a million years.