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 ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of ...

Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States ...

Catalysis Institute, Department of Chemical Engineering, University of Cape Town, Rondebosch, Cape Town 7701, South Africa ...