Researchers bundled in down jackets toiled around the clock in these snowy tunnels as a massive drill rig churned downward to extract core samples and the secrets they contain from the deepest ...

An international research team has successfully drilled and retrieved a 9,186-foot-long (2,800-meter-long) ice core from Antarctica that dates back 1.2 million years. The sample extended so deep that ...

Like the inverse of the mythical butterfly flapping its wings in China, an ice core extracted from Greenland can reveal the rise and fall of societies in European antiquity. A new study took ice cores ...

Humans have been recording the weather for thousands of years. Antarctic ice, however, has been at it for over a million. An international team of scientists has extracted a 1.74-mile-long (2.8 ...

An international team of scientists has achieved a groundbreaking feat in climate research by drilling a core of ice that ...

(AP) - An international team of scientists announced Thursday they’ve successfully drilled one of the oldest ice cores yet, penetrating nearly 2 miles (2.8 kilometers) to Antarctic bedrock to reach ...

Ice cores extracted by scientists from glaciers or polar ice caps contain air bubbles that have been trapped for millennia. Analysing them provides information about the composition of Earth's ...

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

An international team of scientists announced Thursday they’ve successfully drilled one of the oldest ice cores yet, penetrating nearly 2 miles to Antarctic bedrock to reach ice they say is at least 1 ...