Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Vikki Velasquez is a researcher and writer ...

In a remarkable United Nations address, the president lashed out at wind turbines, environmentalists and allies around the world while dismissing the dangers of climate change. By Somini Sengupta and ...

Happiness is an electrifying and elusive state. Philosophers, theologians, psychologists, and even economists have long sought to define it. And since the 1990s, a whole branch of psychology—positive ...

Despite being a public health priority for several years, Dallas County continues to struggle to prevent new HIV cases. But a new coalition between Parkland Hospital, the Dallas County criminal ...