President Obama and his wife welcome former President George Bush and his wife back to the White House for unveiling of their official portraits.
North Carolina jury acquits former presidential candidate John Edwards of one charge of misusing campaign funds and fails to reach a verdict on five others.
To fight obesity, New York City Mayor Bloomberg wants to ban the sale of large sodas because they contain so much sugar.
US scientists run simulations showing how, millions of years from now, our galaxy, the Milky Way, will collide with Andromeda Galaxy.
A 14-year-old eighth grader from San Diego wins the Scripps National Spelling Bee on by correctly spelling "guetapens," a French word for an ambush.