Billions of years ago, our planet looked very different, including its coloring. New research suggests that early oceans were ...

People have long wondered what life was first like on Earth, and if there is life in our solar system beyond our planet.

New simulations reveal that an ancient ocean of magma located above the Earth's core continues to shape the planet's ...

N early 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 ...

Earth held a deep ocean of magma beneath its surface in its early history, new research finds, potentially explaining odd anomalies seen in the mantle today. This basal magma ocean has been hotly ...

The reason Earth's oceans may have looked different in the ancient past is to do with their chemistry and the evolution of photosynthesis.As a geology undergraduate student, I was taught about the ...

Earth's first continents may have emerged from the oceans roughly 750 million years earlier than previously thought, rising from the seas in a manner completely unlike modern continents.

Analysis of 2.1-billion-year-old fossils indicates early eukaryotes stored arsenic in cellular compartments as a detoxification strategy, enabling survival in low-arsenic but toxic ancient oceans.

In the early 1990s, eight people tried to survive in a hermetically sealed glass structure filled with miniature forests, ...

Earth was so cold at the time that the oceans were frozen all the way to the equator, and life only existed in the oceans and on continental shelves, study co-author Donnelly Archibald, of St ...