Zoo pharmacognosy: This term refers to animals using natural substances to treat themselves, and elephants are a prime example of this practice. For example: In Sri Lanka, elephants have been seen ...

A man in his 50s was arrested by police for allegedly stripping the bark off more than 100 red machilus trees in a forest on ...

Trees are not static fixtures. They are dynamic, changing, living beings.” That is how I closed my previous column on tree ...

I do understand your plight. This plant is gorgeous, but unless you can contain it with a driveway or wide sidewalk, or ...

In New Mexico, trees have died on about 120,000 acres surveyed this year largely because of bark beetles, Graves said. Ponderosa pine trees have suffered most of the damage, but Engelmann spruce ...

Leon Marais visited the just-across-the-border Mozambican city of Maputo on a day trip.