The changes in ocean chemistry were gradual. The Archaean period lasted 1.5 billion years. This is more than half of Earth’s ...

It will lead to more purple, brown, or green hues in coastal or stratified areas, with less deep blue color in water as phytoplankton decline. Eventually, oceans will evaporate completely as the sun ...

For ages, Earth has been known as a blue planet, a vision largely shaped by the vast oceans that cover three-quarters of its ...

This points to high levels of iron in the ocean. Photosynthetic organisms use pigments (mostly chlorophyll) in their cells to transform CO₂ into sugars using the energy of the sun. Chlorophyll ...

The company is deploying the technology to power low-power electronics, including remotes, store shelf displays, sensors and ...

This points to high levels of iron in the ocean. Photosynthetic organisms use pigments (mostly chlorophyll) in their cells to transform CO into sugars using the energy of the sun. Chlorophyll ...

In the waters off Iwo Jima, a volcanic island in Japan’s Satsuma archipelago, the sea has a distinct green tint. It’s not ...

Nitrogen is a major constituent of chlorophyll, the pigment that makes leaves green and encourages a proliferation of foliage ...

Each fruit color reveals unique health benefits Discover how to use nature’s color code to boost wellness and nutrition.