The human body may seem like a single, self-contained system, but it actually hosts trillions of microscopic organisms. These microbes live on the skin, in the mouth, and throughout the digestive ...

Small and almost invisible, the tardigrades, or “water bears”, are among the toughest survivors on Earth. These eight-legged creatures, which are less than one millimeter in length, have won ...

The mysterious creature was only a single-celled organism; yet looked like an eye and, on closer examination, had most of the features associated with a human eye such as a lens, cornea and retina.

One evening earlier this year, I came downstairs after putting our 4-year-old daughter to bed to find my husband looking at a series of maps of the United States, each showing possible futures given ...

New research has unraveled the mystery of how microscopic cilia coordinate to move and propel marine creatures through water. Cilia are tiny, hair-like protrusions found in many organisms, including ...

Globular colonies of the choanoflagellate B. monosierra seen under a microscope. As indicated by the 50-micron scale bar, these colonies are at the limit of what's visible to the naked eye. Mono Lake ...

Learn how microscopic fossils reveal that tiny seafloor organisms were already feeding and recycling nutrients soon after one of Earth’s largest mass extinctions. In the aftermath of a mass extinction ...