During snowless winters like we are having this year, I relish the evergreen plants in my garden as they add a touch of green ...

These small conifer trees for birds provide food and refuge in all seasons. These varieties are perfect for small landscapes.

While we might like the idea of an evergreen yard that remains vibrant and full of life all year long, many evergreen trees are best kept out of our gardens. Whether for their aggressive nature or ...

When considering shade trees for landscape use, such staple native species as maples, oaks, elms and hornbeams come to mind. Another serviceable choice is the American linden (Tilia americana).

Taken from a tree in Norway, this stained tree sample shows a blue ring from 1902. (Credit: Pawel Matulewski and Liliana Siekacz) Human skin isn't the only thing that can change color after facing the ...

Overall, only 2.1% of the pine trees' rings and 1.3% of the juniper shrubs' rings were blue; the cells which hadn't lignified properly were mainly found at the end of growth rings, in latewood ...

Blue growth rings found in woody plant stems represent years when cells did not lignify properly because of summers too cold for growth When the going gets cold, even tough trees struggle with ...

These eruptions likely cast a volcanic winter over the northern hemisphere, impacting the trees at Mount Iškoras in Norway, where the study was conducted. "Blue rings look like unfinished growth ...

Scientists used the James Webb Space Telescope to study the unusual star-forming timeline of dwarf galaxy Leo P. Credit: NASA / ESA / CSA / Kristen McQuinn Most small galaxies that stopped making ...

Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the weather of the past by looking at tree rings — which can tell us far more than just the trees’ age. ‘Blue’ ...

It stripped the needles from fir and spruce trees across most of northern Maine, killing 7 million acres of trees and costing the state's forest economy hundreds of millions of dollars.