To protect the southwest’s iconic Joshua trees, scientists are tinkering with their genetics and searching for climate havens in—and sometimes outside of—their existing habitat.

The gangly, spiky plants that grow in the vital and sensitive Mojave Desert can live more than 150 years. But devastating wildfires have left behind millions of charred trees — actually succulents — ...

Joshua trees typically bloom in February and April, according to Jeremy Yoder, an associate professor of biology at ...

Joshua trees face an uncertain future. Scientists warn that without significant climate action, the species could be functionally extinct by 2070 because of climate change. The recent government ...