When summer fades and fall emerges, lush green tree leaves give way to a variety of warm hues in foliage that mark the ...

A neighbor’s maple tree delivers a stunning surprise — a luminous carpet of yellow leaves that glows like gold in the sunlight.

What species a tree belongs to is not the only factor behind the color its leave turn in the fall. How much sun and water it gets also play a part.

A bright-yellow worm that lives in deep-sea hydrothermal vents is the first known animal to create orpiment, a brilliant but toxic mineral used by artists from antiquity until the nineteenth century.

A deep-sea worm that lives in hydrothermal vents is the first known animal to create orpiment, a toxic, arsenic-containing mineral that was used by artists for centuries A bright-yellow worm that ...