Time dilation, a captivating concept embedded in Einstein’s theory of relativity, has been experimentally validated on Earth. With the use of ultra-precise clocks, scientists have been able to ...

Perhaps no neurologic disorder is feared more than Alzheimer dementia. At least a few times a week, a concerned elderly man or woman comes to my office wondering whether their forgetfulness or loss of ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Two cutting-edge atomic clocks — the most accurate ever ...