New research reveals that Central Asia’s rugged terrain was molded by the vanished Tethys Ocean, millions of years before the Himalayas even rose.

A sharp plunge in ocean calcium levels may be the missing link in Earth’s long transition from a hot, dinosaur-era greenhouse ...

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

A small but growing group of scientists is exploring ocean-based carbon geoengineering, which involves adding chemicals to ...

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

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 ...

A group of German scientists tested the effects of a more acidic ocean on sharks’ teeth and found that future generations of ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.

Through new experiments, researchers in Japan and Germany have recreated the chemical conditions found in the subsurface ...

New research suggests that seaweed aquaculture boosts seawater alkalinity, enabling millions—and potentially tens of millions ...