Fleas are not a separate insect order, as previously thought, and are a lineage of scorpionflies, which evolved when they started feeding on the blood...
Dr George Poinar Jr. of Oregon State University has found a fossilized flea carrying ancient coccobacillus bacteria. The discovery was announced in the...
Chinese scientists have discovered fossils of remarkable giant flea-like animals that lived millions years ago in what is now China.
An artist’s impression...
