Tree rings hold clues about ancient solar storms. New research shows tree growth and carbon storage can shift those signals across years.

Scientists have long relied on tree rings to learn about ancient solar storms—rare bursts of high-energy particles from the ...

Horizontal cross sections cut through a trunk of a tree can tell us a little about the history of a tree in its own time ...

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 ...

Tree rings serve as natural time capsules capturing powerful radiocarbon spikes from ancient Miyake solar storms. A new study ...

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 ...

"Create giant wooden tree rings like a DIY expert. Follow me, April Wilkerson, for more DIY projects and hands-on building!" Donald Trump's remarks about Putin leave Russian state TV stunned Map shows ...