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 ...

Discover how ocean calcium levels may explain the drastic temperature drop seen after the extinction of the dinosaurs.

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