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

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 ...

An analysis from 50 scientists found that ocean temperatures hit a new record high last year, an alarming sign for global ...

In 2025, Earth’s oceans quietly hit a new heat record, absorbing a staggering 23 Zetta Joules of energy, roughly equivalent ...

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

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

A new study reveals that microplastics are impairing the oceans' ability to absorb carbon dioxide, a process scientists find crucial for regulating Earth's temperature. Defined as tiny plastic ...