It's been a while, but Canadian wildfire smoke returns Sunday to West Michigan.Very unhealthy air quality is already being reported upstream in areas such as Minnesota and Wisconsin.The winds are ...

A University of Arizona researcher is part of an effort to identify the diseases carried by ticks, and she's asking people to send her samples.

Most of us want to live as long as we can, so we hope for a lengthy lifespan. Age is just a number — we live for a specific ...

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