Delegates from about 190 countries opened a two-week conference in Poznan, Poland, which is aimed at nailing down the details of a climate change treaty ... more

Genes are helpful, but a calm temperament like No Drama Obama's can be cultivated.

Genes are helpful, but a calm temperament like No Drama Obama's can be cultivated.

The shuttle landed in the Mojave Desert, diverted from a planned Florida landing by low clouds and high crosswinds.

The shuttle landed in the Mojave Desert, diverted from a planned Florida landing by low clouds and high crosswinds.

With dismal weather in the forecast, the astronauts on the space shuttle Endeavour passed up their first opportunity to land in Florida on Sunday, raising ... more