Few animals have contributed to modern medicine in a way quite as improbable as the horseshoe crab. It looks prehistoric because, in evolutionary terms, it is. Horseshoe-crab relatives were swimming in ancient seas hundreds of millions of y...
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On the morning of November 14, 1963, sailors south of Iceland saw something that looked at first like a ship on fire. A dark column was rising from the North Atlantic. It was not smoke from...
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In daylight, the water may look ordinary — or even unappealingly reddish-brown. Then darkness falls, a wave breaks, and the shoreline suddenly flashes electric blue. Footsteps sparkle in wet...
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Few wildlife events are as disturbing as a whale stranding. An animal exquisitely adapted to life in deep water suddenly lies helpless on a beach, sometimes alone and sometimes alongside doz...
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For many Americans, Labor Day means a three-day weekend, backyard cookouts, crowded beaches, college football and the unofficial end of summer. Retailers turn it into a sales event, swimming...
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On a clear Arctic night, the sky can begin almost imperceptibly. A pale band appears above the horizon, faint enough to be mistaken for a cloud. Then it brightens. The band folds into curtai...
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