A flock of sparrow-size birds in stunningly violet-blue plumage could soon be blanketing your yard or maybe already have. The handsome birds are indigo buntings arriving from winter homes in South ...
In 1990, 13 years after the Voyager 1 probe was launched, it turned its attention back to its point of origin. From a distance of 3.7 billion miles, Voyager’s camera took a photo, and when the image ...
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