A new study suggests the Atlantic's mysterious "cold blob" may signal ocean current changes that could affect U.S. weather.

A mysterious cold patch off Greenland points to a weakening ocean current, and the ripples could reach the West Coast.

A cold typically resolves after about a week, although congestion, cough, and runny nose can linger. Your cold may be improving if you have more energy and your symptoms are milder. Generally, these ...

Add Yahoo as a preferred source to see more of our stories on Google. While children play in winter wonderlands, families nestle together near the fire, and workers attend their annual holiday party, ...

Many people across cultures grow up hearing that cold weather makes you sick. Going outside without a coat, breathing in cold air, sleeping in a chilly room, getting caught in cold rain or snow, or ...

Both are respiratory illnesses, which means they affect the lungs and other organs that are responsible for breathing. But while flu is caused by influenza viruses only, a cold can be caused by more ...

RSV causes a mild infection similar to the common cold. But, RSV is more likely to cause fever, wheezing, and difficulty eating. Both may be treated at home without medical intervention within around ...

Cold weather may worsen joint pain in some people, such as those with arthritis or orthopedic implants. Keeping warm by dressing appropriately for the weather and using draft excluders at home may ...