Clearing water-guzzling and soil-damaging alien invasive plants costs South Africa several hundred million rands every year.

Deep in the Namib Desert, Africa's wildest wilderness, among the many interesting discoveries of the desert lives a remarkable survivor. Known in Afrikaans as "tweeblaarkanniedood" meaning, "two ...

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 ...

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 leaving ...

“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 ...

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 ...

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.

Erik Irmer has been documenting the spread of invasive plant and animal species that disrupt native ecology across Europe. He focuses on humans’ interactions with these plants and animals. Aliens is p ...

Most home gardeners pottering around with trowel, plant cuttings and a bag of mulch behind the old homestead don’t think of themselves as “nature’s best and last hope.” Doug Tallamy, an entomologist ...