The western United States has gotten an early taste of summer this week, but a pattern change will bring cloudy, damp and cooler conditions by the weekend.
A British artist has recreated pollution from cities around the globe to let visitors experience some of the world's worst air quality without leaving London.
A change in the weather pattern is likely to trigger one or more rounds of severe weather, including tornadoes, over the central United States next week.
A three-year marine heatwave extending from June 2014 to May 2017 severely damaged coral reefs around the globe. A recent study further analyzed the impact on the Great Barrier Reef.
Spring allergies can cause a lot of misery for millions of people in the United States; knowing the most challenging places to live with spring allergies can help people in these areas be more aware of what may contribute to their allergy symptoms.