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.

“Invasive alien species are a major threat to biodiversity and can cause irreversible damage to nature, including local and global species extinctions, and also threaten human wellbeing,” said ...

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 ...

Many mountain ranges contain semi-natural habitats that have been little human interference. They are home to many animal and plant species, some of them endemic and highly specialized. Mountains have ...

New research shows invasive species are reducing insect populations worldwide and weakening ecosystems people rely on.

Add Yahoo as a preferred source to see more of our stories on Google. Lake Naivasha, northwest of Nairobi, Kenya is becoming increasingly unnavigable. Water hyacinth, the world’s most widespread ...

One Bayonne native and his "alien" plants are fighting toxic waste in Liberty State Park in Jersey City, reports say. Ecologist Frank Gallagher, who was born in the Peninsula City, has helped keep ...

(CNN) — Lake Naivasha, northwest of Nairobi, Kenya is becoming increasingly unnavigable. Water hyacinth, the world’s most widespread invasive species, is blanketing the lake, choking its fish and ...