These photos show the “scooter” (on the left) and “rotator” (on the right). Each micromachine was observed in detail and using motion tracking for 70 seconds at a time over several hours. The scale ...

A new kind of microscope is giving scientists a way to watch life inside cells with a clarity that feels almost unfair.

Tim McCoy (right), the Smithsonian’s National Museum of Natural History curator of meteorites and the co-lead author on the new paper, with Cari Corrigan (left) sein a scanning electron microscopy lab ...

Cheese fungus, head lice, human sperm, a bee eye, a microplastic bobble: scientific photographer Steve Gschmeissner has imaged them all under the probing lens of a scanning electron microscope (SEM).