The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test ...

Extending the New START nuclear arms control treaty by a year, even informally, would be a security and diplomatic win for ...

Physicists in Australia and Britain have reshaped quantum uncertainty to sidestep the restriction imposed by the famous ...

By using something called a quantum grid, scientists have found a clever way to simultaneously measure momentum and position ...

The United Nations reimposed nuclear sanctions on Iran Sunday, putting new pressure on Tehran's ailing economy as tensions ...

Researchers in China have opened a new window into the deep past by blasting dinosaur eggs with a laser, dating them directly for the first time. A micro-laser was used to vaporize small portions of ...

Iran’s clerical rulers face one of their gravest crises since the 1979 revolution, caught between growing discontent at home ...

Senior diplomats from Germany, the United Kingdom and France are holding last minute negotiations with Iran’s Foreign ...

Researchers find that a photon can spend a negative amount of time in an excited atomic state while passing through a cloud ...

Aging is a natural part of life, but many people over 50 are looking for ways to not just look younger, but actually feel ...

For millennia, aging has been viewed as an immutable, inevitable decline. However, a scientific revolution is underway, ...