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

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

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

These road trip stops between San Diego and San Francisco offer you history, photo ops and, yes, a bathroom break.

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

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

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