A second Trump administration could alter the lives of all sorts of animals, whether they live in laboratories, zoos, fields or forests. By Emily Anthes and Catrin Einhorn President-elect Donald J.

This breakthrough reshapes our understanding of the genetic origins of stem cells, offering a new perspective on the evolutionary ties between animals and their ancient single-celled relatives.

Ms. Renkl is a contributing Opinion writer who covers flora, fauna, politics and culture in the American South. We were living in a cataclysmic age of mass extinction and climate instability even ...