One Japanese and two American scientists won the Nobel Prize in Chemistry on Wednesday for discovering and developing a glowing jellyfish protein that has revolutionized the way researchers study disease and normal development in living organisms.
Iranian President Mahmoud Ahmadinejad, whose visit to New York City Monday met with local protests, accused Israel of occupation and racism during a speech to the U.N. General Assembly.
An independent board investigating the breakup of the space shuttle Columbia released its final report Tuesday morning.
NASA engineers worried a day before the Space Shuttle Columbia disintegrated upon re-entry that the shuttle's wing might burn through, leading to a breakup of the craft -- a message they did not communicate to senior NASA officials.
Days before the space shuttle Columbia disintegrated a NASA official warned that damage sustained during takeoff may have been enough to allow super-heated air to breach its left landing gear door.
NASA Administrator Sean O'Keefe on Wednesday told a congressional committee that he could not yet determine what caused the space shuttle Columbia to break up during re-entry on Feb. 1, but said investigation efforts are continuing.
Family members and communities around the world mourned the loss of the Space Shuttle Columbia's crew of seven on Monday as the investigation into what caused the spacecraft to disintegrate and fall to earth continued.
Hundreds of police and soldiers continued their search for wreckage from the Space Shuttle Columbia Monday, covering a growing debris field that cut a swath more than 100 miles long and 10 miles wide across east Texas and Louisiana.
The space shuttle Columbia disintegrated upon re-entry over Texas Saturday morning moments before its seven-member crew was scheduled to land in Florida.
