A team of scientists have drilled one of the oldest ice cores yet, penetrating nearly 2 miles to Antarctic bedrock to reach ice that is at least 1.2 million years old.

Analysis of the ice should provide insight into how Ice Age cycles have changed, and may help in understanding how ...

Longer, more diverse rotations of crops fertilized with livestock manure have many environmental benefits, but carbon sequestration isn't one of them, according to a new study.