President Trump is reportedly considering an executive order that would speed up permitting for deep-sea mining, which could ...

Carbon dioxide in the atmosphere hit “next-level” highs, scientists say. Earth’s ecosystems breaking down under extreme ...

A new study suggests Earth's oceans may have been green during the Archean eon, around 3.8 to 1.8 billion years ago. The greenish hue was due to high iron content and early microbes performing ...

Long before forests or fish, Earth’s oceans teemed with microbes. Chief among them were cyanobacteria — tiny architects of photosynthesis. Earth’s current blue oceans. Image via NASA.

Scientists have long credited cyanobacteria for sparking the Great Oxidation Event It flooded Earth’s atmosphere with oxygen and paved the way for complex life High levels of iron in the oceans ...

A recent study by Japanese researchers posits a fascinating possibility: Earth's oceans were once green. The study, published in Nature, delves into the chemistry of ancient oceans and the evolution ...

Earth's oceans, once green due to high levels of oxidized iron and anaerobic photosynthesis, could change color again. Early photosynthetic organisms used iron instead of water, leading to green ...

Nearly three fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth's oceans were once green, in ...

Nearly three fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth's oceans were once green, in ...

Professor and Head of Data Science for the Environment and Sustainability, Queen Mary University of London Nearly three fourths of Earth is covered by oceans, making the planet look like a pale ...