A century ago, Erwin Schrödinger came up with an equation that says how the quantum world behaves. Now scientists are asking ...

Cannabis drug tests measure tetrahydrocannabinol (THC) and its metabolites, which can stay in your body long after the “high” fades. Detection ranges from hours in blood or saliva to weeks or months ...

One way or another, Delta President Glen Hauenstein said, the prices of main cabin airfare are likely to rise because their low profit margins are putting pressure on carriers. Delta reported that ...

Tier 1 Special Mission Units are the most elite of the elite special forces units. These units’ missions are rarely acknowledged publicly, and often remain classified for decades. Delta core missions ...