Editor's note: This story was originally published on Dec. 18, 2017. The wishes scribbled and stapled to Winterhaven's Wishing Tree each year actually double as data for a science project that began ...

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As extreme heat claims more lives during ruthless summers in the region, Southern Nevada is upping the ante in its tree planting efforts. But a new study suggests trees alone may not be enough to make ...

Joshua trees are weird. I say this as an expert on Joshua trees. Joshua trees look weird — their twisty branches end in bouquets of stiff, knife-like leaves, which die back to hang from the branches ...

Space agencies tested bizarre things. A limbless torso measured radiation exposure while seeds from the Moon grew into trees scattered across Earth. The weirdest science projects of the space age.

Do artists and scientists see the same thing in the shape of trees? As a scientist who studies branching patterns in living things, I’m starting to think so. Piet Mondrian was an early 20th-century ...