In the Allan Hills region of Antarctica, glaciologists have uncovered a 6-million-year-old ice core, preserving samples of ...

Isotope and trace element analyses of human tissues provide archaeologists with unique opportunities to make unprecedented ...

A 400-million-year-old plant in New Mexico may have just unlocked the secret to Earth’s forgotten climates — using water that looks like it came from space.

Scientists working with the Center for Oldest Ice Exploration (COLDEX) have collected the oldest directly dated ice cores ...

The Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth’s history.

The ice sample, retrieved in Antarctica, is the oldest on record—but this discovery may just be tip of the iceberg.

Scientists have found that ancient horsetail plants change water chemistry in surprising ways, offering new clues about Earth ...

A new analysis of chemical signatures measured by NASA's Curiosity Rover gives a peek at Mars's past to a time some 3.7 ...

A team of researchers at The University of New Mexico has uncovered how a peculiar, prehistoric plant might unlock new ways ...

Skulls displayed in public 2,000 years ago were intended as a warning to enemies and a celebration of comrades, a new paper ...

Individual athletes ran an average of 4,000 miles over a year to help define the human body's limit for energy expenditure ...