Sixty-six million years ago, Earth was a tropical greenhouse. Today, it's an ice-capped world. And an international team of ...

What mechanisms allowed Earth to cool significantly after the age of the dinosaurs, transforming it from a tropical climate ...

A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's ...

Evidence from fossil shells suggests that falling seawater calcium helped lock away carbon dioxide and helped cool Earth after the dinosaurs.

Scientists have uncovered a surprising mechanism that may explain how Earth cooled dramatically after the age of dinosaurs.

Scientists trace Earth’s long cooling to falling ocean calcium, pulling CO₂ from the air and offering new insight into a greenhouse mystery.