The organizer of a “black mass” that took place outside the Kansas state Capitol on Friday amid heavy Catholic protest was arrested shortly afterward in the Capitol building after punching a ...

Mass spectrometry is an analytical technique that uses an instrument called a mass spectrometer to measure the mass-to-charge ratios of molecular ions. Molecules fragment within the mass ...

This coming Advent, Catholics throughout the English-speaking world will begin using a new translation for the prayers that we say in the Mass. This new, third edition of the Roman Missal is the ...