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The National Weather Service has downgraded Iselle to a tropical storm. Residents are still warned to take precautions.

In the case of an elderly patient with multiple medical problems, having a team of health workers deliver care to the home can be cheaper than expensive stays in nursing homes and emergency rooms.

By playing with the physics of wing color, scientists get a glimpse into how butterflies get their colors, and how quickly they can evolve from brown to brilliant.

Sure, you know that walking is a simple, low-impact way to get exercise. But did you know that adding faster intervals to the walk could help control blood sugar levels?

In the wake of plagiarism accusations, appointed Democratic Sen. John Walsh announced Thursday he would not seek a full term in November.

The Yazidis are an ancient religious sect concentrated in a remote corner of Iraq. They've been thrust into the spotlight of Iraq's nasty conflict, with thousands taking refuge in barren mountains.

The American pika is closely related to a rabbit. They are about the size of a guinea pig and are found throughout Colorado's high country and other…

Social service agencies and nonprofits are scrambling to figure out what they need to do to help the thousands of immigrant children who have come to the U.S. in recent months.

Secretary of State John Kerry is in Afghanistan for the second time in less than a month. The two presidential candidates have agreed to resolve the disputed election and set an inauguration date.

We are in the dog days of summer, and there are nearly 50 games left in Major League Baseball's regular season. As fans have their eyes on post-season play, every division has tight races.