The color change, driven by hormones, seems aimed at preventing males from accidentally mating with each other. Two Asian common toad couples mating in Karnataka, India. The yellow toads pictured are ...

Gardeners can change hydrangea bloom color by altering soil pH. This is a fun and creative way to add a splash of color to your garden, and it's easier than you might think! Not all hydrangeas respond ...

The interstellar object 3I/ATLAS, which recently drew attention for its supposed color shift during its close pass by the Sun ...

A new study, which used 44 years of data, shows that as the globe has warmed, altering the timing and amount of snow cover, snowshoe hares' winter transformation may be out of sync with the color of ...