DENVER — The Front Range bid farewell to a rainy weather pattern Tuesday evening with a round of double rainbows. One thing you may have noticed, if you were lucky enough to spot one, was that the ...

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Scientists are moving closer to answering some age-old questions. How did the leopard get its spots? How did the zebra get its stripes? The answer may be a gene called Agouti, which the scientists ...

Those of us who grew up coloring remember the cardinal rule: stay inside the lines. But those who pick up the Patterns of the Universe coloring book have to stay in the sines (and cosines and tangents ...