Each queen plotted to conquer all four islands for herself, and war would certainly have begun, if not for the timely intervention of the four queens’ wise and peacemaking daughters. The clever ...

Diagnoses for several cancers before age 50 have been increasing rapidly since the 1990s. Scientists don’t know why, but they have a few suspects.

Demonstrated in rabbits, the 3-D printer might someday print bone grafts directly onto fractures, complete with antibiotics to ease healing.

Dogs that easily learn the names of toys might also mentally sort them by function, a new example of complex cognitive activity in the canine brain.