Archaeopteryx is the fossil that clearly demonstrated Darwin's views. It's the oldest known fossil bird, and it helps show that all birds -- including the ones alive today -- emerged from dinosaurs.

Before Homo sapiens arrived, Europe's forests were not dense and dark but shaped by open and light-rich woodland landscapes.

“While the live mice emit robust UPE, likely indicative of ongoing biological processes and cellular activity, the dead ...

There is still debate, researchers say, over whether the behavior is instinctual or based in more complex thought or even empathy.

Bioluminescence might look beautiful, but there’s more to it than just glowing lights. In this video, we explore the mysterious world of bioluminescent organisms and why you shouldn’t always trust ...

Learn more about the difference between bioluminescence and photoluminescence, and about the particular chemical compounds ...

It turns out that a shocking number of mammals can glow in the dark. Shine a blacklight on a mob of Australian animals and ...

Animals with ultraviolet color patterns can be found all over nature. Here’s what we know about what purpose these patterns ...

Satellite imagery from above Earth has documented an unusual turquoise glow emitting from the ocean in Australia.

You’re enjoying a refreshing strawberry smoothie, its rich red color swirling in the glass, thanks to genetic engineering ...