Physics student makes world's smallest Christmas tree

Every year, people all over the world try to make the biggest artificial Christmas tree, like the Gubbio Christmas Tree, formed by thousands of lights on the slopes of Mount Ingino, or the illumination of the 372-meter high ...

Trend-starting Texas drops algebra II mandate

Texas started a trend by making most of its high school students tackle algebra II. But eight years later, the state often watched for education policy is abandoning the requirement.

Why a rocky planet with three suns has astronomers' attention

Planets that are even a little like Earth are hard to find. That's why when astronomers like Jennifer G. Winters come across a body that may be solid, rocky, and possibly have its own atmosphere, they get excited. And especially ...

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