Geomagnetic storms could cause devastating global internet outages, costing the US economy $7.2 billion a day.

Redefining the repeating pattern in photonic crystals creates tightly confined pathways for light while preserving symmetry, ...

An ongoing heat wave has knocked out power to thousands of Con Edison customers in the five boroughs over the past two days. As of 6:30 p.m. Tuesday, 3,521 customers in the city were without power, ...