The number of alien plant species has more than tripled over the last 25 years. This is the finding of a study by European scientists who evaluated the data from 48 European countries and regions. A ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A "strange" prehistoric plant species is the lone representative of a mysterious group of organisms that no longer exists ...

You can learn all about the complex world of plants — and, perhaps, how a better understanding of plants here on Earth could aid the search for alien life — in a live webcast Tuesday night (Feb. 4).

A lot of people think of plants as pretty to look at, but defenceless and passive as far as organisms go. However, the many alien species – or “monster plants” – around us show we should never ...

A new report presents major findings on the gravity of impacts from invasive alien species on our planet. A new report by the Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES) ...

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 ...

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 ...

Earth plants could thrive under the light of an alien sun, according to a recent experiment. A team of astrobiologists planted garden cress seeds and cultured dishes of photosynthetic bacteria under ...

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 ...