Measles, bedbugs, and dengue have all been cited as concerns for tourists and athletes at the 2024 Summer Olympics in Paris, with the tropical virus in particular forcing authorities into action.

Guilt-free air travel is a beautiful dream, but there’s simply no way to get enough solar energy to keep a cabin full of people in the air.

The former public health lead opens up on serving under Trump, what dangers America faces right now, and what keeps him up at night.

Platforms combining plants and recycled garbage could offer a cut-price solution for reviving polluted bodies of water.

A gigantic, weather-defining current system could be headed to collapse. Peter and Susanne Ditlevsen had a simple yet controversial question: How much time might we have left to save it?

Researchers believe they have discovered oxygen being produced 4,000 meters below the sea surface, and think polymetallic nodules—the sought-after bounty of deep-sea miners—could be the source.