Biologists are closing in on a puzzle that seems to turn classic evolutionary logic inside out, yet may be so common that it ...

Researchers at the University of Tokyo have created an RNA molecule that can not just replicate, but “evolve” into a diverse range of more complex molecules. This find could plug a major gap in the ...

Australian researchers have uncovered how a particular strain of a diarrhea-causing parasite managed to infect more animal species, offering new insights into how parasitic infections emerge and ...

Comparison of over 200 high-quality butterfly and moth genomes reveals key insights into their biology, evolution and diversification over the last 250 million years, as well as clues for conservation ...

Woo-hoo, d’oh, or meh? Which of these Simpsonian reactions is appropriate to the fact, revealed by a 2019 survey conducted by researchers at Penn State University and the National Center for Science ...

A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in jellyfish and sea anemones, among the earliest creatures with nervous ...