December 12, 2018 icon depicting Haze weather 58°F
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Your aging brain: Is it ‘use it or lose it’?

A new study that tracked Scottish people over a lifetime finds that lifelong mental exercise won't prevent decline. But it'll start the process at a higher point.

Here’s what it takes to avoid gaining weight this holiday season

Egg nog. Gingerbread houses. Peppermint bark. All those delightful cookies. There’s no doubt it’s the most wonderful time of the year — for putting on a few extra pounds. But a clinical trial shows that you can spare yourself 1 pound of weight gain (on average) by following three simple steps.

Farewell, Voyager 2: NASA's pioneering spacecraft joins its twin in interstellar space

NASA’s Voyager 2 spacecraft has become the second human-made object to enter interstellar space. The probe, which blasted into space 41 years ago, exited the outer boundary of the sun’s heliosphere on Nov. 5, NASA scientists announced Monday.

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