A tiny little roundworm

Caenorhabditis elegans is a one millimeter-long soil roundworm, as well as an insightful model organism for research in molecular and

Smile for the minirhizotron!

Teeny little video cameras called minirhizotrons snapped these photos of wetland plant roots. The cameras will help scientists

One hurdle to treating neurodegenerative diseases is the inability of neurons in the central nervous system to regenerate axons after

Despite being merely microns thick, these impurity crystals jut like skyscrapers from the surface of NF 616 cast stainless steel, a

This muscle cell was derived from human embryonic stem cells propagated on a synthetic hydrogel scaffold. The cell’s alpha smooth

Reminiscent of children’s sand art, the Painted Hills of Eastern Oregon tell the story of climates past. Fifty million years ago

This image shows a very small portion of a cotton flower magnified more than 500 times. The spike-covered orbs are cotton pollen grains

When walking in the woods, if you stumble upon a large yellow or orange shelved mushroom growing on a tree, it is quite possible you

Just west of tiny Alviso, Calif., lies the remnant salt pond named A8, which is soon to return to its glory days as a thriving wetland,

The world’s most abundant form of life—plankton—makes the electric blue swirls in this image of the North Atlantic Ocean off Ireland.

The snot otter, more officially known as the hellbender salamander or Cryptobranchus alleganiensis, is North America’s most super-sized

The dry Colorado River delta in the Baja/Sonoran desert may leave a fascinating mark on the earth, but ecologists and fish are alarmed.

Five billion years ago small, short-lived galaxies played games of galactic bumper cars with each other, leaving debris in their

Mysterious holes in clouds, such as this one, have long fascinated the public and, until recently, baffled scientists. New research

This elaborate is a masterly crafted peace of artwork, yet it represents much more. This creation is the size of a penny, and folded