Tom Swetnam, the director of the Arizona tree-ring lab, grew up with wildfire. His father was a forest ranger in northern New Mexico, and after Swetnam graduated from college in the late 1970s, he ...

The UA has plenty of special features to offer, but one of its more overlooked aspects is its abundant plant life—specifically, that of the Laboratory of Tree-ring Research. UA’s tree-ring lab right ...

Astronomical data hidden in cedars and pines reflects a handful of potentially devastating events, and suggests we may be overdue for the next one. Eric Mack has been a CNET contributor since 2011.

The study of tree rings may help prepare for space weather events that could threaten satellites and astronauts. Amy Hessl, professor of geography at WVU, is leading a project funded by the National ...

For those who can read them, tree rings offer a glimpse into the past. Christopher Roos is one of those people, and he’s using them to shed light on a story that reveals how Western Apache tribes have ...