This phenomenon, called marcescence, adds a unique dimension to the winter landscape, and gives me something to ponder while ...

When you've always known deciduous trees to drop their leaves in winter, seeing one that hasn't can be unsettling. Here's why ...

The scale invariance in branch diameter dictates how much smaller a limb should be as it branches and how much investment a ...

How far would leaf-eating insects go to dine on their favorite food? Perhaps the other side of the world, according to ...

Sometimes by this time in February, the hellebores planted many years ago in a flower bed are showing buds, but that hasn’t ...

What I did notice, though, was a swath of trees topped with brown leaves across the top of the hill. Some oaks, including chestnut, pin, bur, scarlet and swamp, often retain dry brown leaves in ...

according to researchers at Penn State who found insect damage on fossil leaves from South America that is nearly identical to what is seen today on those trees' living relatives in Australia.

we installed custom-made leaf-heater boxes to warm leaves from four mature tree species by 4°C – a temperature rise predicted for tropical systems by 2100. Boxes were made from plastic takeaway ...

LOS ANGELES (KABC) -- An arson suspect who was arrested Tuesday in Pacoima admitted he started a small fire that burned a tree "because he liked the smell of burning leaves," according to Los ...