Most life on Earth depends on oxygen—but not these creatures! From deep-sea organisms to microscopic marvels, these 9 animals have evolved to survive without oxygen in ways that defy science. Discover ...

During Earth’s more than four-billion-year infancy, the planet’s only life was simple and microscopic ... strange and alien place. Evolutionary biologist Stephen Jay Gould described the ...

Usually, we can't see any of this. Read more: The best microscope photos of the year reveal a strange and hidden universe in astonishing detail For the 45th year of the contest, four judges ...

They survived solely by eating microscopic animals trapped by their stinging ... way to becoming one of the planet's top predators. Creepy-crawlies also began to appear on land.

Here is a microscopic view of these tiny creatures from the documentary "Invisible World." There are more living things on our bodies than people on Earth. The ability to see these creatures up close ...

Discover a hidden world of beauty and science at the Nikon Small World exhibit, opening this weekend at MOSI, Tampa’s Museum of Science & Industry. This ...