Perhaps you’ve wandered through a forest or strolled into a neighborhood park and found tree trunks — and wondered if counting the rings on a trunk is truly a way to know the tree’s age. “Most of us ...

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 ...

TUCSON — When Bryan Black accepted a post-doctoral research position at Oregon State University to study how fish grow, he hoped to apply his background in forest ecology to marine life. Black, a ...

The summer of 2023 was the warmest in the non-tropical areas of the northern hemisphere for 2,000 years, a new study has shown. Across this vast area of land, encompassing Europe, Asia and North ...

Have you ever wondered how old a tree is? What if you could also learn about the weather years ago? A tree can tell us a lot about how old it is and at the same time, the climate history of our planet ...

While the sentinel trees of Northern Lebanon may not be as old as some traditions hold, one tree might be more than 1,000 years old. By Katherine Kornei Katherine Kornei has previously reported on the ...