Exploring the transformation of Earth from a volcanic hellscape to a potential birthplace of life during the Hadean era.

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with ...

"If we could find a place on the moon that recorded this really old regolith material we might have a way to deduce what the early Earth's atmosphere was from direct measurements," Tarduno said.

A new study finds that ocean acidity may have prevented life on Earth from developing for the planet’s first 500 million ...

Purple Earth Hypothesis suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for ...

How did Earth transform from a hostile, acidic ocean world to one that nurtured life? Scientists at Yale and in Singapore ...

Three other imminent impactors occurred in 2024, in late October, early September and in January ... and comets less than 3 feet in size hit Earth’s atmosphere almost daily, according to ...

Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global ...