As nights cool and kitchens brim with end‑of‑season harvests, many of us attempt a final trick: turning stubborn green tomatoes red. That last push can ...

The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red.

Chlorophyll breaks down, revealing the yellow pigment that was there all along. But red? Red is a different story altogether.

GRAND RAPIDS, MI – Gardeners have noticed green, fully formed tomatoes stubbornly hanging onto their vines, refusing to progress toward the ripe, vibrant vegetables of summer eagerly awaited by many.