Molly C. Enking

Quitting smoking is a major factor, researchers say.

Nearly a dozen new illnesses have been reported in just the last week, frustrating health officials.

It was the longest-living robot sent to another planet.

If confirmed, it would be only the second “impact crater” ever discovered.

“Solar panels are great, but we should be hearing about trucks, cement, and cow farts too,” Gates wrote.

Rates for the surgery on the rise. Doctors differ, though, about whether it's always necessary.

It’s not the first time humans have wreaked havoc on the climate.

The Vancouver-area measles outbreak largely driven by unvaccinated children continues to grow.

Cancers usually seen in the elderly are becoming more and more common among younger people.

But more research is needed.