Smithsonian Magazine on MSN
A football-sized creature that lived 307 million years ago may have been one of the first land vertebrates to eat plants
Around 307 million years ago lived a football-sized and -shaped creature that loved to munch on veggies. Scientists have just ...
Teeth belonging to the fearsome creatures have been discovered throughout the state. Now, they're up for consideration by the ...
Learn more about Tyrannoroter heberti, a football-shaped land vertebrate who may have enjoyed snacking on plants.
New pieces have been added to the puzzle of the evolution of some of the oldest fish that lived on Earth more than 400 million years ago. In two separate studies, experts in Australia and China have ...
Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results