Imagine Earth installing a patch that makes life both stronger and stranger. That’s what happened 300 million years ago, when ...

Long before life thrived in Earth’s oceans, the planet’s magnetic field became disorganized. Deep within the ancient rocks of ...

Scientists have long wondered why Earth's overall makeup doesn't fully match the mix of materials found in ancient meteorites ...

New research reveals that Earth’s so-called “Boring Billion” was a time of dramatic change beneath the surface.

Far from boring, this period saw the reorganization of deep Earth in manners that prepared the way for life to grow complex.

Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion years.

Scientists have traced the origins of complex life to the breakup of the supercontinent Nuna 1.5 billion years ago. This ...

When Earth’s ancient supercontinent Nuna broke apart, it reshaped oceans, cooled the climate, and set the stage for complex ...

Learn how the fossils of ancient organisms help scientists navigate deep time — and uncover Earth’s hidden history.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The story of two of ...

Thwaites Glacier in West Antarctica—often called the "Doomsday Glacier"—is one of the fastest-changing ice–ocean systems on ...

New research shows Earth’s “Boring Billion” was a time of dramatic transformation. The breakup of the supercontinent Nuna 1.5 ...