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This plane looks blue under ultraviolet light, but it's designed to be green.
The Cassini spacecraft's sweeping shot shows Saturn, its moons and rings, and Earth, Venus, and Mars.
This tree's kaleidoscopic bark is a photographer's delight.
A method using consumer grade photography gear offers a fresh look at the northern lights.
A lofty view from space reveals the Red Planet's polygonal geometry.
Organic chemistry professor Donna Nelson helps the Emmy-winning series make scientific sense.
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