Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects ...

A new model uncovers how Earth’s liquid core has sustained its magnetic field since the planet’s beginnings, offering new insights into its future. Earth benefits from the presence of a magnetic field ...

The appearance of oxygen in Earth's atmosphere was a turning point in the history of our planet, forever transforming the ...

The first life emerged about four billion years ago, when the planet was still new. Back then, the cutting edge of earthly ...

Ancient ocean grains show Earth’s carbon levels were far lower than expected during key evolutionary eras. The results challenge old theories of life’s rise and hint at patterns that could shape our ...

New research reveals fungi, not plants, were Earth's first land colonizers, emerging hundreds of millions of years earlier.

Smithsonian researcher Ingrid Romero studies fossil pollen to reconstruct ancient climates and predict future changes ...

According to a recent study, events geologists use to distinguish transitions between geological chapters in Earth's story follow a hidden hierarchical pattern, one that could shed light on both past ...

April 22 is Earth Day, the annual salute to the planet and its environment. "On April 22, 1970, 20 million Americans...took to streets, college campuses and hundreds of cities to protest environmental ...