Palaeognaths include emus and ostriches, and can reach 9 feet tall and weigh upwards of 300 pounds. They are more known for ...

Large birds -- our closest relations to dinosaurs -- are capable of technical innovation, by solving a physical task to gain access to food.

Dateline producer Marianne O'Donnell reflects on what it was like to cover the 2017 murders of Abby Williams and Libby German in Delphi, Indiana, and the trial that followed nearly seven years later.