Spa retreats after dark are popping up at major national parks to bask beneath the skies.

A yucca moth (Tegeticula Antithetica, top right) and other insects from a glue trap viewed through a microscope in the USGS laboratory at the University of Arizona in Tucson. Credit: Roberto (Bear) ...

Add Yahoo as a preferred source to see more of our stories on Google. The trees that gave Joshua Tree National Park its name. (Robert Gauthier / Los Angeles Times) The Joshua tree is cherished for its ...

A decadelong saga to federally protect the Joshua tree took another turn this week, when a judge overturned the U.S. Fish and Wildlife Service’s previous decision to keep the tree off its endangered ...

In the Mojave Desert, rising temperatures, less rainfall, and more intense wildfires are killing off Joshua trees. California officials are working on a plan to protect the distinctive yucca tree and ...

When a renewable energy company started razing thousands of Joshua trees this month to make way for a sprawling solar farm, it kicked up a firestorm of outrage among Mojave Desert residents and ...