Earth

Photosynthesizers using water, which releases oxygen, could not compete with those using iron. (Image: via   pixabay  /  CC0 1.0)

What Delayed Earth’s Oxygenation?

Powering a massive biosphere on Earth, photosynthesis is the light-mediated reaction that converts carbon dioxide and water to carbohydrates and oxygen. About 2.3 billion years ago, this reaction led to a dramatic oxygenation of Earth’s atmosphere.

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What Delayed Earth’s Oxygenation?

Powering a massive biosphere on Earth, photosynthesis is the light-mediated reaction that converts carbon dioxide and water to carbohydrates and oxygen. About 2.3 billion years ago, this reaction led to…

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Magnetism Discovered in the Earth’s Mantle

The huge magnetic field that surrounds the Earth, protecting it from radiation and charged particles from space — which many animals even use for orientation purposes — is changing all…

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Researchers Confirm Earth’s Inner Core Is Solid

A new study by researchers at The Australian National University (ANU) could help us understand how our planet was formed. Associate Professor Hrvoje Tkalčić and Ph.D. Scholar Thanh-Son Phạm are…

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Why Earth’s Oceanic Plates Suddenly Stop

Researchers at CU Boulder report that they may have solved a geophysical mystery, pinning down the likely cause of a phenomenon that resembles a wrench in the engine of the…

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New Kind of Aurora Is Not an Aurora At All

Thin ribbons of purple and white light that sometimes appear in the night sky were dubbed a new type of aurora when brought to scientists’ attention in 2016. But new…

The Overlooked Genius of Sunflowers

Sunflowers are more than just big, beautiful flowers. They also have some very unique characteristics. Sunflowers turn their blossoms toward the sun, but they do this in coordination with the…

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Study Shows How Earth’s Atmosphere Formed

The mystery of how Earth’s atmosphere formed has long been debated by scientists. However, some scientists believe that some of Earth’s atmosphere may have been brought to the planet by…