But what about the mammals roaming the earth alongside them? In a new study published in Science, an international team of scientists has discovered that early mammals had dark and dull fur, no matter ...

"These extinct early mammals had distinct lifestyles, ranging from ground-dwelling and burrowing to gliding through the treetops like modern-day flying squirrels," Li Ruoshuang, the paper's first ...

The early mammals that lived alongside the dinosaurs upwards of 150 million years ago (mya) were likely covered in dark and dusky greyish-brown fur, according to a quantitative reconstruction of ...