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.

A plant that lived 47 million years ago in what is now Utah is like nothing that lives on planet Earth today. The discovery of new fossils reveals that a species first found in 1969 is not a member of ...

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 ...