The highest recorded elevations of Jeffrey pines provide new evidence of a warming climate in the High Sierra. UC Davis ...

If you've noticed a shiny or sticky residue on the leaves of your Japanese maple tree, there's a simple two-ingredient spray ...

The NHL team in Salt Lake City is now known as the Utah Mammoth. Owners Ryan and Ashley Smith unveiled the franchise’s ...

Clockwise: Michael Greenstein examines the bark of a Chinese elm in his collection in Los Altos; A liquidambar, also known as ...