Insects belong to a broader group of six-legged animals called hexapods. This group also includes other less well-known, ...

The scale also sorts crabs by which of four evolutionary routes they took onto land, since crabs arriving via freshwater ...

A dinosaur that is new to science has features of both subfamilies of the tyrannosaur group, complicating our understanding ...

What Bruner calls “braking,” the Yale neuroscientist Amy Arnsten calls “regulation”—specifically, calcium regulation, which ...

A study at Texas A&M University suggests that thymine may have helped early genetic molecules survive by directing that damage into a form that was easier to reverse. The findings, published in ...