Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Animals from completely different branches of the tree of life, such as insects, worms and vertebrates, independently evolved ...

Cell movement is an essential biological process, whether it's cancer cells metastasizing to other parts of the body or ...

Katie Wilson, who narrowly defeated the incumbent, Bruce Harrell, emerged from the city’s left-wing activist class and brings with her little experience in governing. By Anna Griffin The central ...