This food-making process takes place in the leaf in numerous cells containing chlorophyll, which gives the leaf its green color. This extraordinary chemical absorbs from sunlight the energy that is ...

Of course, it can also be perfectly normal for some early coloring species. The trick is, figuring out which is which. Is ...

According to the Farmers' Almanac, the leaves will start changing in Delaware around Sept. 25 and continue through Nov. 26. The color change will begin in New Castle County and flow south to Kent ...

Next to 'why is the sky blue' and 'where do babies come from,' 'why do leaves turn color in the fall' might be the most frequently asked question about nature. Next to 'why is the sky blue' and 'where ...

A new study has uncovered a novel P-type PPR protein, BoYgl-2, which plays a crucial role in chloroplast RNA editing and ...

Chlorophyll production in tree leaves slows down and stops and the leaves lose their green color. The effect: Minnesotans ...