/tags/extinct extinct en-US Copyright Mon, 30 Jan 2017 21:36:00 GMT /breaking-news/2017-01-30/scientists-describe-ancient-bag-like-sea-creatures-from-china They were ugly. And, unfortunately, they were not equipped with an anus. But the sand dwellers could be an important part of filling in our own early evolutionary tree. Mon, 30 Jan 2017 21:36:00 GMT /breaking-news/2017-01-30/scientists-describe-ancient-bag-like-sea-creatures-from-china Rae Ellen Bichell /news/2016-02-04/extinct-pigeon-guides-researchers-in-quest-to-save-other-animals A bird species called the "passenger pigeon" that became extinct more than 100 years ago, is helping researchers learn how to save other animals.鈥� Thu, 04 Feb 2016 10:00:00 GMT /news/2016-02-04/extinct-pigeon-guides-researchers-in-quest-to-save-other-animals Debbie Holmes