Those who have lived in Raleigh since the 1990s may remember the controversial installation of the Light + Time Tower near the Capital Boulevard entrance to downtown Raleigh. But while Raleigh was ...

So, you’re driving a car at half the speed of light. (Both hands on the wheel, please.) You turn on the headlights. How fast would you see this light traveling? What about a person standing by the ...

Ranked in scientific achievement with Newton and Einstein, Dr. Albert Abraham Michelson, 78, last week began his final contribution to physics. Again and again delayed—by illness, the collapse of ...

Can we turn back time? Ask a savvy physicist, and the answer will be “it depends.” Schemes for retrograde time travel abound but usually involve irreconcilable paradoxes and rely on outlandish ...

For almost five decades James Turrell has been making art that’s literally impossible to grasp. He works with “materials”–light, sky, perception itself–that are weightless and boundless, the stuff of ...

Try light therapy if you're fighting fatigue from the time change or struggling with seasonal depression. Here's how it works. Laura Leavitt is a personal finance and wellness writer for CNET. Her ...