Scientists watched microbes inherit extreme acid resistance in Yellowstone hot springs not through genetics, but through epigenetics.
Leading lights in origin-of-life research share their work and thoughts in a series of open-access articles about chemical evolution.
This is one key issue on which proponents of ID and of theistic evolution differ.
Previously relegated to servant tasks under the master DNA molecules, ribonucleic acids continue to surprise scientists.
Orphan genes — genes that are present in only one species, or a group of closely related species — are of particular interest to advocates of intelligent design.