There is a new breed of computer simulations, known as 'artificial worlds' or 'would-be worlds', that allows scientists to create artificial versions of real-li

From EverQuest to World of Warcraft, online games have evolved from the exclusive domain of computer geeks into an extraordinarily lucrative staple of the enter

Roving through the uncharted vastness of deep space, Med Serviceman Calhoun of the Interplanetary Medical Service brings his mission of healing to isolated colo

The fight is on. So let the battle begin. Darien is no longer a lost outpost of humanity, but the prize in an intergalactic struggle. Hegemony forces control th

NEW YORK TIMES BOOK REVIEW EDITORS’ CHOICE • An outsider who can travel between worlds discovers a secret that threatens the very fabric of the multiverse i