Cottonwoods, along with related big-toothed and trembling aspens, are poplars — some of New England’s fastest-growing tree ...

Additional heavy rain is expected across the Plains this week. With streams already swollen and the ground saturated, that ...

A new study from Umeå University has revealed that trees' circadian clocks guide their growth and the timing of seasonal events like the appearance of leaves in spring. The researchers investigated ...

A new study from Umeå University has revealed that the trees' circadian clock guides their growth and the timing of seasonal events like the ...

The event, titled “How Environmental Policies in DC and Denver Are Affecting the Roaring Fork Valley,” will take place at Explore Booksellers.

Among the oaks, white, red and bur oak all stand tall as ecological heavyweights. Their acorns feed wildlife, their canopies ...

Destruction of another healthy tree occurred at George Page Park and once again the perpetrator failed to alert Department of ...

Sudan's civil war marks full two years and the fighting, atrocities and famine are only mounting. The Sudanese military succeeded last month in wresting the capital, Khartoum, from its rival, ...

Choose from Aspen Trees Background stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...