Climate-driven oxygen loss in the Black Sea thousands of years ago triggered the expansion of microorganisms capable of producing the potent neurotoxin methylmercury.

A new study found compound drought-heatwave events are rippling farther and lasting through the night, raising risks for southwestern North America.

The timing of emissions reductions, even more so than the rate of reduction, will be key to avoiding catastrophic thresholds for ice-melt and sea-level rise, according to a new Cornell study.

Microscopic plankton that regulate Earth’s climate and sustain ocean ecosystems take centre stage in a new awareness campaign.

Courant and Center for Data Science researchers have created a neural network that quickly and accurately simulates ocean circulation.

Bright orange and black wings flutter by on the journey that defies all odds. 

Low cholesterol can reduce the risk of dementia, a new University of Bristol-led study with more than a million participants has shown.

After astronauts wake up from hibernation, will they still be able to drive the spacecraft?

An analysis of forest-based projects funded through the sale of carbon credits shows that 10% of them may have a net warming effect on the climate because of the way they alter the Earth’s albedo, or how much sunlight is reflected back into space.

On the edge of California’s Monterey Bay, ecologist Matthew Savoca and a team of volunteers sift through sand and seawater for microplastics, one of the planet’s most pervasive forms of pollution.