The ubiquity and importance of war have made analyses of its causes a central concern of scholars for over two millennia. Many of the fundamental questions about the causes of war were raised by Thucydides in the fifth century B.C., but th...

weapon with the capacity to inflict death and destruction on such a massive scale and so indiscriminately that its very presence in the hands of a hostile power can be considered a grievous threat. Modern weapons of mass destruction are ei...

More than 35 million Americans have incomes that fall below the poverty line, and more than one in five American children are poor. In 1994, nearly half of all poor children under the age of six lived in families with incomes falling below...

virus belonging to the family Flaviviridae, related to viruses that can cause yellow fever and dengue and more closely to viruses that can cause encephalitis (inflammation of the brain). Predominantly an infection of birds, West Nile virus...

White supremacy groups are changing as members become less traditional and decentralized. Along with the shift in who joins white supremacy organizations is the shift in how these groups operate. Secret meetings at group members’ homes are ...

Much of the debate over abortion focuses on the issue of rights—specifically, whether a woman’s right to an abortion outweighs a fetus’s right to life. The two factions involved in this controversy are poles apart in their...