Animal extinction affects entire ecosystems and, in turn, the world. Let's face it, few of us have crossed paths with a real, live endangered species today—one that is teetering on a tightrope of ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Defining the characteristics of individual leaves is part of tree morphology, ...

There are so many reasons to love houseplants. From purportedly removing pollutants and reducing stress to increasing focus and creativity, they bring some of the outdoors inside and are, almost ...

Mary Jo DiLonardo has worked in print, online, and broadcast journalism for 25 years and covers nature, health, science, and animals. Known for its breathtaking speed and distinctive spots, the ...

After a month under rubble, a nearly lifeless Callery pear tree was found by 9/11 workers who were determined to save it. Melissa Breyer was Treehugger’s senior editorial director before moving to ...

Among all of the large flowers, Rafflesia arnoldi produces the biggest single bloom. Native to the rainforests of Malaysia and Indonesia, where it is one of three national flowers, the so-called ...