The species, named Duonychus tsogtbaatari, belongs to a group of two-legged dinosaurs called therizinosaurs that lived in ...
China’s lunar rover has made a mysterious discovery on the far side of the Moon—a strange, unknown substance that has scientists puzzled. Is it lunar glass, an impact remnant, or something ...
TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the full text of this article in ...