A fragment of 10,000-year-old dog bone found along the Alaskan coast could be the oldest evidence of domesticated dogs in North America, and …

A tiny ear bone belonging to a cave bear that died some 360,000 years ago has yielded the oldest genome not sourced from permafrost. The newly …

Biotech company Bluebird suspended its trials of gene therapy as a treatment for blood-related disorders over concerns of a possible increased risk …

A small-scale nuclear reactor at a government neutron research facility was shut down last week after it began to spew elevated amounts of ionizing …

Stunning new evidence suggests the Arctic Ocean was covered by a thick layer of ice and filled with fresh water on at least two occasions during the …