About 700 million years ago, Earth froze over so completely that even tropical oceans turned to ice, an episode scientists call Snowball Earth. New research now points to an overlooked accomplice in ...

Around 2.3 billion years ago, the Great Oxygenation Event (GOE) marked a major turning point in Earth’s history. The increase ...

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New research shows that early land plants started influencing Earth’s climate hundreds of millions of years earlier than ...

New Curtin University research has revealed how massive ancient glaciers acted like giant bulldozers, reshaping Earth's surface and paving the way for complex life to flourish. The key to unlocking ...

There are many open questions about how our planet formed 4.55 billion years ago: When did plate tectonics start? When did the Earth's mantle begin to vigorously circulate in a process called ...

Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges.

Between 720 million and 635 million years ago, Earth may have experienced one of ...