A high-speed crash between two dwarf galaxies might explain a unique feature in space – and provide useful information on ...

A tetrahedron is the simplest Platonic solid. Mathematicians have now made one that’s stable only on one side, confirming a ...

The Texas Tribune covers politics and a range of policy issues that affect all Texans. Those topics include public and higher education, health and human services, demographics and voting rights ...

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Sea ice data is updated daily, with a one-day lag. On occasion, there is data delay which is usually resolved within a few days. The orange line in extent and concentration images (left and middle) ...