This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

EPFL physicists have found a way to measure the time involved in quantum events and found it depends on the symmetry of the ...

Physicists have found a way to measure how long ultra-fast quantum events actually take—without using a clock at all.

Having different chronotypes, or being more active in the morning vs. afternoon, may play an important role in preserving muscle mass and strength, and metabolic health, according to a new study.

Strength training offers a range of benefits, experts say. Here's how to start.

Gain mastery of controls and circuit breakers on the ground before in-flight emergencies.

PALM BAY, Fla. — A busy roadway passes by a hidden and neglected place of eternal rest — it's a contrast of the past meeting the present. But when it comes to the Maxie Brannon cemetery, there's a man ...