Why we love a good scare

PHOENIX - Sydney Cox crouches on the ground, hugging her knees, her eyes squeezed shut as a monster looms over her.

Artist discusses massive northern Arizona crater-based art installation

WASHINGTON - To mapmakers and geologists, it's Roden Crater, a volcanic cone outside Flagstaff. To artist James Turrell, who has spent his career working with light installations, it's his "unfinished dissertation," a massive art project that he started almost 40 years ago and for which he has no estimated opening date.