Dark matter is a mysterious type of matter that does not emit, absorb, or reflect light, yet is predicted to account for most of the universe's mass. While physicists have gathered extensive indirect ...

Add Yahoo as a preferred source to see more of our stories on Google. We've broken down exactly how to do the 4+2 method, which will help you can stack on slabs of muscle, bust through training ...

There is no use in using muscle-building methods unless they truly work, and with this protocol, you won't be wasting precious gym time. This functional hypertrophy method from the late strength coach ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Injury and illness surveillance, and epidemiological studies, are fundamental elements of concerted efforts to protect the health of the athlete. To encourage consistency in the definitions and ...