Tree trunks are more than just wood—they’re living records of everything a tree’s been through. From growth spurts to natural ...

In this gee-whiz science and great outdoors piece, an expert in tree-ring research shares some of the details of what trees can tell us — and whether or not their rings can reveal their age.

In fact, after analysing rings in centuries-old tree trunks, we found the region has seen far worse "megadroughts" over the last 700 years. Australia's instrumental climate records only cover the last ...

Tree rings provide evidence for what he calls mega-droughts, more intense and long-lasting than any of the 20th century — worse even than the devastating Dust Bowl drought of the 1930s.

Archaeologists are rewriting history with the help of tree rings from 900-year-old trees, wood found on ancient buildings and through analysis of the isotopes (especially radiocarbon dating) and ...

When they used this technique to examine the cellulose of specific rings in trunk cross-sections, they discovered several distinct “signals” of carbon 12 (C12) and carbon 13 (C13) isotopes ...

(Likewise, a ring of mulch at the base of a tree protects the trunk by eliminating the need for a lawnmower to venture near it. Mulches also keep weeds or grass from competing with young trees for ...

A tree’s yearly growth can tell how healthy it is. Obviously, we aren’t going to cut a tree down to examine the width of this year’s annual ring. There are other ways to view the yearly growth.

By studying tree rings in Switzerland, Germany, Ireland, Russia, and the U.S., a team of researchers has been able to gain insight into solar activity more than 9,000 years ago by studying a type ...

Ring by ring, the tree has captured history. The tree was just an 8-foot ... “It’s burned, but I looked at the trunk and the roots and I think it’s going to make it,” she said.