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 ...

Scientists have discovered that an "alien plant" first found near a Utah ghost town 55 years ago doesn't appear to be related to any currently living family or genus. Paleontologists first found ...

An international research team led by the University of Vienna has produced, for the first time, high-resolution global maps of invasion risk for thousands of alien plant species under current ...