Oct. 19, 1943: A Wonderful Discovery, and a Helluva Row
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Streptomycin proves a godsend for tuberculosis victims and the sufferers of other infectious diseases, but the fallout from its discovery almost undoes its discoverer.
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Historians and survivors of Japan's  surprise attack on Pearl Harbor on December 7, 1941 are using  the latest online technology to preserve their memories of the  day that drew the United States into World War II.
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Last week's historic flyby of Mercury by NASA's MESSENGER spacecraft gathered 500 megabytes of data and more than a thousand high-resolution photos covering nearly six million square miles of previously unseen terrain.
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The Mars rover Opportunity has discovered what scientists said was the first meteorite of any type ever identified on another planet.
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An asteroid with a wild orbit is about to zoom by our planet. Plus: Solving the mystery of the Pioneer anomaly could take decades.... A biologist finds a chunk of space shuttle Columbia. By Amit Asaravala.
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UPDATE: Story first posted 6:49 a.m. ET, November 16,  2004
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IT WAS one of the most bizarre episodes of the Second World War. When Hitler - s deputy, Rudolf Hess, landed by parachute in 1941 near the estate of the Duke of Hamilton in Lanarkshire, it raised the question ...
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An international team of astronomers has succeeded in solving the 100 year-old mystery about the origin of the cosmic rays by producing the first ever image of an astronomical object using high energy gamma rays.
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Archaeologists say they have discovered a stone block inscribed with the earliest writing in the New World.
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One hundred and fifty years on, the Lincoln-Douglas debates enjoy the dubious status of myth. This searching and illuminating book does the great service of bringing thm back down to earth.
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The first global positioning system satellite is launched; 23 more will follow, and then we will always know where we are. Compiled by Tony Long.
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The discovery of the multicolored species, named Bugun Liocichla, is the first in the country in more than 50 years.
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L. Gordon Cooper was the real deal. He and his six colleagues - known as the Mercury Seven - inaugurated an age and captivated a generation of Americans.
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There may be something almost nostalgic in our celebration of a âheroic explorer.â
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Investigators have confirmed the discovery of traces of the isotope, polonium 210, in more locations than had previously been suspected.
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It was a day of jubilation &#151; World War II seemed almost over. But before night fell, joy gave way to terror.
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By AUDREY McAVOY  HONOLULU - Ansil L. Saunders speaks carefully into the camera, describing the morning of Dec. 7, 1941, when he stood on the deck of a ship at the entry to Pearl Harbor. "There was explosions coming from all over - different areas.