Astronomers use the term dark energy to refer to energy in the universe that is unaccounted for by ordinary matter but necessary to explain cosmology. Astronomy, however, isn't the only field with ...

Carbohydrates—not protein—are the body’s primary energy source from food. However, protein does supply a small amount of energy and can serve as an alternative energy source. Protein intake supports ...

From beans, lentils and tofu to chicken, pork, beef and fish, experts weigh the health benefits and potential drawbacks ...

They contain key nutrients that help fight fatigue.

Peanuts, almonds, pistachios, and other whole nuts offer protein comparable to that of peanut butter, plus fiber, healthy fats, and other nutrients.