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 ...

Far out in the South China Sea, a massive underwater sinkhole plungesnearly 1,000 feet straight down. It’s called the Dragon ...

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

Europa’s subsurface ocean might be getting fed after all. Scientists found that salty, nutrient-rich surface ice can become ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...

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.

Oil spills rarely travel more than 300 km from their source before natural processes break them down. Ixtoc I, a 1979 spill ...

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 ...

Researchers have uncovered surprising evidence that the deep ocean’s carbon-fixing engine works very differently than long assumed. While ammonia-oxidizing archaea were thought to dominate carbon ...

A new study led by former Syracuse University doctoral student Ruliang He and co-authored by his advisor, Earth and environmental sciences Professor Zunli Lu, reveals that Earth's ancient tropical ...