It’s that time of the year. The leaves are starting to change colors. This week the National Weather Service in Atlanta shared the satellite image above showing fall foliage changes in the Appalachian ...

Add Yahoo as a preferred source to see more of our stories on Google. The panther chameleon, native to Madagascar, can transform into a rainbow of colors. Photograph by Christian Ziegler, Nat Geo ...

Blue sharks possess a secret hidden in their skin: a sophisticated arrangement of microscopic crystals and pigments that create their brilliant blue appearance — and may allow them to change color.

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New research into the anatomy of blue sharks (Prionace glauca) reveals a unique nanostructure in their skin that produces their iconic blue coloration, but intriguingly, also suggests a potential ...

Planning a fall foliage trip? This is how changing temperatures, elevation and drought affect peak leaf-peeping dates in national parks.

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...