The longer, warmer days of spring spark phenological changes in trees, from root to tip. As the limbs of trees stretch and ...

The longer, warmer days of spring spark phenological changes in trees, from root to tip. As their limbs stretch and twist ...

A 166-million-year-old Middle Jurassic herbivorous dinosaur, the size of a large dog and bipedal, has been discovered on the ...

To examine growth rings without cutting down or permanently damaging a tree, researchers drill perpendicular to the trunk and extract narrow, pencil-sized cores.

Both ancient human species showed signs of simultaneously using their hands to move around – such as by climbing trees – as ...

Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South America.

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This advertisement has not loaded yet, but your article continues below. Testimony got underway Wednesday in the second-degree murder trial of the man accused of killing rap artist Pat Stay in ...