An “alien plant” fossil discovered 55 years ago just outside of an abandoned town in Utah has no relation to any currently existing or extinct species, scientists revealed in a study last month.

Scientists have discovered a unique fossil that does not match any known species of flowering plants, an advance that sheds more light on the planet’s ancient diversity. Researchers first spotted the ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's reconstruction of Tyrannoroter heberti, a plant-eating creature that lived 315 million years ago during the ...