But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

From bat flowers to carnivorous sundews, these strange plants look almost unreal — and some call Australia home.

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.

This video examines whether alien plants could actually be blue and what physics says about plant color beyond Earth. It explains how star type, light spectrum, and energy efficiency shape what colors ...