New research shows ancient tropical oceans once held more oxygen than cooler regions, reshaping where early life could ...

The last ice age did not shut down Atlantic ocean currents, and that discovery may help explain future climate risks.

Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...

A global team of scientists reports that Earth’s oceans absorbed more heat in 2025 than in any year since modern observations began. The findings, published today (January 9) in Advances in ...

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

P arts of the ocean reached temperatures of -15°C (5°F) without freezing 717-660 million years ago, geologists and ...

The global ocean heat content increased yet again in 2025, further raising the risk of catastrophic storms, sea-level rise, and coral bleaching.

The Indian Ocean holds the lowest gravity anomaly on Earth, a vast and subtle depression in the planet’s gravitational field ...

Far below the ocean’s surface, a hidden circulation system quietly shapes life on Earth. Dense “deep ocean water” formed in ...

The seas stored more heat in 2025 than in any year since modern measurements began. The post World’s ocean temperatures reach ...