The Turtle Island Liberation Front, caught plotting a New Year’s terror attack on Los Angeles, is a walking embodiment of ...

The Army is creating a command that will oversee planning and operations for the Americas and the Caribbean, with an emphasis on the nation's borders.

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Ellen Lee Ellen Lee is a ...

Photonic crystals are periodic optical structures that can control the flow of light. Multiple reflections from surfaces separated by a distance similar to the wavelength prevent an optical beam from ...