For most of human history, the overall population is believed to have remained quite low. But since the early 1800s, the ...

Trees get most of the love, but diatoms, a group of photosynthetic microalgae, produce 20% of Earth's oxygen and are the ...

other scientists were already trying to explain the diversity of life on Earth. One such scientist was Jean-Baptiste Lamarck, a French researcher who proposed a different theory of evolution 50 ...

The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ancestor.

In “Infinite Life: The Revolutionary Story of Eggs, Evolution, and Life on Earth,” Mr. Howard makes a case for eggs so over easy that I can’t resist serving it back to you: Each egg on Earth ...

(CNN) — The story ... evolution from water to land. The transition requires “substantial changes to the musculoskeletal system,” Wilson said, including new positioning of the limbs for life ...

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 ...