Suspicion focusing on long-glitchy thermal tiles
They've been a problem since the first flight. NASA has failed to find a substitute -- or even a way to deal with them in orbit.
Sensors give hints of rising trouble
As four separate investigations begin, new details paint a picture of a spacecraft unexpectedly heating up as it tried to get home.
Kin of Israeli 'wrapped up in our grief'
HOUSTON -- Grieving friends and relatives of Israeli astronaut Ilan Ramon arrived in Houston on Sunday to join Ramon's widow and children.
The world mourns but questions, too
The explosion of the space shuttle Columbia was big news everywhere, but coverage in many foreign media reflected the world's ambivalent feelings toward its only superpower.
Remnants of tragedy
The trail of debris from the final flight of the shuttle Columbia brought curiosity, sadness, even a sense of history.
Why couldn't 'Columbia' have Hollywood ending?
CAPE CANAVERAL -- If liftoff damage to Columbia's thermal tiles caused the disaster, was the crew doomed from the very start?
Day later, space station crew gets news
HOUSTON -- The three-man crew at the international space station was grieving but still proud to be on its mission after being told about the Columbia disaster Sunday morning by a NASA official.
Sara Fritz: When disaster hits, president in line for blame
WASHINGTON -- Sitting in church with his wife, Laura, President Bush received a vivid reminder Sunday that his critics are likely to blame him for the nation's most recent tragedy, the loss of the space shuttle.
Howard Troxler: NASA officials show the right stuff with candor on Columbia
In the wake of the loss of the space shuttle Columbia and its seven-member crew, what have we not heard?
Robert Trigaux: NASA feels pinch of the bottom line
NASA has long symbolized our romantic affair with space, the final frontier.
Death toll in Zimbabwe train wreck hits 46
HARARE, Zimbabwe -- The death toll in a head-on collision between a packed passenger train and a freight train in northwestern Zimbabwe rose to 46, police said Sunday. A railway worker who might have given a wrong signal was arrested and tested for alcohol, media reports said.
Bank explodes; mobs grab cash
LAGOS, Nigeria -- A powerful explosion tore apart a bank and dozens of apartments above it Sunday in Nigeria's crowded commercial capital, killing at least 40 people and trapping many others.
Bush to submit budget today
WASHINGTON -- President Bush will send Congress a $2.23-trillion spending plan today featuring new tax cuts to boost the economy, a conservative tilt to major social programs and record deficits for the next two years -- shortfalls that Democrats blame on Bush's tax cuts.
Boat may be missing teens'
NEW YORK -- A shift in the ice off New York revealed a capsized rowboat believed to have been taken by four teens who disappeared after a frantic 911 call over a week ago.
Nation in brief: Ex-Ill. chief often granted clemency
CHICAGO -- Former Gov. George Ryan was quietly issuing hundreds of pardons long before he decided to empty Illinois' death row last month, an Associated Press review of state records found.
World in brief: German voters rebuke ruling party
BERLIN -- Chancellor Gerhard Schroeder's party suffered humiliating defeats in regional elections in the German leader's home state of Lower Saxony and in the state of Hesse on Sunday. Voters punished the national government for the country's economic stagnation and brushed aside Schroeder's attempts to capitalize on his opposition to a possible war in Iraq.