Morningstar Quantitative Ratings for Stocks are generated using an algorithm that compares companies that are not under analyst coverage to peer companies that do receive analyst-driven ratings.

A misunderstanding about the microbe that actually causes the flu created a ripple effect that changed the future of U.S. drug development, clinical trials, and pandemic preparedness. A woman wears an ...

A version of this story appears in the September 2020 issue of National Geographic magazine. Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for ...

Swelling, which can be internal or external, is the body’s response to inflammation, fluid buildup, injury, or illness. Visible signs of swelling include enlargement of the affected area and fluid ...

Benign tumors are noncancerous growths in the body. They can occur anywhere in the body, grow slowly, and have clear borders. Unlike cancerous tumors, they don’t spread to other parts of the body. If ...