Libya's new regime fighters retreated Thursday under heavy fire from Moamer Kadhafi diehards in his hometown Sirte as their leaders backtracked on an announcement they had captured one of his sons.The fighters, who had been hoping to mop up the last pockets of resistance…

A seven-seat space taxi backed by NASA to ferry astronauts to the International Space Station will make a high-altitude test flight next summer, officials said on Tuesday. Sierra Nevada Corp's "Dream Chaser" space plane, which resembles a miniature space shuttle, is one of four space…

A new plan to curb global warming risks becoming a battleground between rich and poor nations and could struggle to get off the ground as negotiators battle over the fate of the ailing Kyoto climate pact.The 1997 Kyoto Protocol covers only emissions from rich…

The 2011 Nobel season opens Monday with the announcement in Stockholm of the Medicine Prize, to be followed over the course of a week by the awards for physics, chemistry, literature, economics and peace.The Medicine Prize is scheduled to be announced at 11:30 am…

Indigenous protesters in Bolivia's Amazon basin region forced a cabinet minister to join a march Saturday and break through a police blockade separating them from their northeastern rivals.Minority indigenous people from the poor South American country's steamy lowlands are angered by construction of a…

A bomb blast rocked the centre of the Turkish capital Ankara on Tuesday and some media reports said two people were killed, while a local mayor said nobody was dead but three people were seriously wounded.Police were not immediately available for comment, but a…

The second deadly air show crash in 24 hours has left one pilot dead in West Virginia and prompted the National Transportation Safety Board to dispatch an investigator to the site where an aerobatic demonstration plane plunged into a runway and exploded as spectators looked…

The United States has decided not to sell Taiwan new F-16 fighter jets and will instead provide upgrades to its existing planes, a US congressional source said Friday.The US State Department was to brief key lawmakers Friday on the decision, which was sure to…

Israeli ambassador to Jordan, Danny Navon was returning to Israel on Thursday with his staff, fearing a large demonstration outside the embassy in Amman over the weekend, Israeli public radio reported.The Jerusalem Post newspaper said that calls for a mass rally had been posted…

US astronomers said Thursday they have discovered the first planet that is orbiting two Suns, much like the fictional home of Luke Skywalker featured in Star Wars.Skywalker's native planet of Tatooine was hot and desert-like, but this planet, called Kepler-16b, is a freezing cold…