Sightings of the iconic species have been sparse since the early 20th century. The debate on whether the ivory-billed woodpecker is actually extinct may be ongoing, but a genetic engineering company ...

At a meeting of top conservation groups this week, a bioethics question took center stage: Should scientists be allowed to tinker with the genes of wild plants and animals? The tentative consensus so ...

Scientists have genetically engineered mice with some key characteristics of an extinct animal that was far larger — the woolly mammoth. This "woolly mouse" marks an important step toward achieving ...