Ancient ‘ostrich-like’ creature — 73 million years old — found as new species in Mexico
Now, more than a decade later, new analysis of the fossils has found that they belong to a new 73-million-year-old species, according to a study published Jan. 28 in the peer-reviewed journal ...
Meteorite discovery challenges long-held theories on Earth's missing elements
Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new ...