(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 ...

There are many different Grow a Garden events that increase the value of your plants. Each one comes with its own mutations that give plants a different appearance. Find out in our guide when the ...

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 ...

The spread of species beyond their native habitat is a human-made environmental change on a global scale. Among vascular plants, over 16,000 species have now permanently settled in foreign countries.

I loved watching classic 1950s black-and-white sci-fi movies on TV when I was growing up, with “Invasion of the Body Snatchers” being a particular favorite. Creatures from outer space invade a small ...