A shooting last weekend at a children’s birthday party in California that left four dead was the 17th mass killing this year — the lowest number recorded since 2006, according to a database maintained ...

Intermediate mass black holes (IMBH), if they exist, have between about 100 and 1,000 solar masses, placing them in between ...

In the United States, Mass shootings are widely classified as incidents in which a shooter kills at least four or more victims. The rise of mass shootings has been closely associated with calls for ...

Mass shootings in major metropolitan areas in the United States disproportionately affect Black people, and structural racism may play a role, according to a study published on Wednesday in the ...

Every mass shooting in the U.S. raises calls for better policies to prevent such tragedies. There's evidence suggesting that certain kinds of laws may reduce deaths from mass shootings, say scientists ...

The Higgs field gives mass to elementary particles, but most of our mass comes from somewhere else. The story of particle mass starts right after the Big Bang. During the very first moments of the ...

An abdominal mass is an abnormal growth in the abdomen. It causes visible swelling and may change the shape of the abdomen. You may notice weight gain and symptoms like abdominal discomfort, pain, and ...

An abdominal mass is any abnormal growth that occurs within the abdomen. There are various causes of these masses, including cysts in the stomach or other organs, medical conditions, and cancer. A ...

New moves by Pope Francis mean changes for Catholics dedicated to the Traditional Latin Mass —and for the priests and bishops responsible for these communities. Even though these Catholics represent a ...

Catholics and even non-Catholics around the world have recently been imploring Pope Francis to refrain from implementing a rumored ban on the Tridentine Mass, also known as the Traditional Latin Mass ...

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the ...

If you have any familiarity with the Salem Witch Trials, you already know something about mass hysteria, also known as mass psychogenic illness. Mass hysteria refers to an outbreak of unusual and ...