Science

The urban oasis boasts about 170,000 different types of microbes, recent dirt samples show. That diversity is comparable to a tropical rain forest. About 2,000 species are found only in the park.

Diagnosing and treating Ebola isn't so hard, health workers say; hospitals across the U.S. should be ready. But initial symptoms, such as fever and headache, can look the same as other illnesses.

Major food companies have cut trillions of calories, and studies show Americans are consuming fewer calories because of it. But some advocates think companies should do more to improve our diets.

Scientists wince when people blame every big tropical cyclone, heat wave or drought on a shifting climate. But now some are trying to figure out just what the evidence for such a link would be.

So, you want to be a science professor? Good luck. Highly educated, relatively low-paid postdoctoral fellows may drive U.S. biomedical research, but they're training for jobs that don't exist.

Just two years after the Obama administration removed federal protections for wolves in the state of Wyoming, a federal judge has reinstated them, saying that the state's plan for managing the species was inadequate and largely unenforceable.