Explore the history of life on Earth, from 3.5-billion-year-old fossils to the vast diversity of species on our planet today.
Earth's magnetic field plays a key role in protecting life on our planet. Yet its origin and evolution remain subjects of intense research. Scientists rely on the dynamo theory to explain the ...
A new analysis of rocks thought to be at least 2.5 billion years old helps clarify the chemical history of Earth's mantle -- the geologic layer beneath the planet's crust. The findings hone scientists ...
Two of the most intriguing questions in science are: How did life on Earth begin? and Is there life elsewhere in the universe? Given the enormous interest in these questions, you might expect that the ...
A team of researchers at the University of Oxford have uncovered crucial evidence for the origin of water on Earth. Using a rare type of meteorite, known as an enstatite chondrite, which has a ...
About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia collided with the young Earth. How the collision unfolded and what exactly ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers say ...
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