Cooler temperatures and shorter days have transformed Pennsylvania’s forests.
Published Oct 30, 2013
Fall colors swept across the Mid-Atlantic during October 2012.
Published Oct 26, 2012
In a span of just 11 days, fall colors swept over the Kamchatka Peninsula in eastern Siberia.
Published Oct 4, 2012
As temperatures cool, deciduous trees in Siberia are making their annual transformation.
Published Sep 12, 2015
Beneath a collection of contrails, colorful foliage spreads across a mountain landscape in the eastern U.S.
Published Nov 2, 2019
A process that occurs on a micro scale in trees shows up on a macro scale in satellite imagery.
Published Sep 30, 2014
Brilliant orange leaves paint the mountains of northern Pennsylvania in this natural-color image acquired on October 13, 2010.
Published Oct 16, 2010
In northern Sweden, bursts of fall color fill valleys before the darkness of winter descends.
Published Oct 22, 2016
Leaves are changing color along the Carpathian Mountains in Romania.
Published Oct 20, 2018
Leaves change from green to orange and brown across the United States and Canada.
Published Oct 15, 2015
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