Libya's National Transitional Council (NTC) gave cities loyal to the toppled Libyan leader Muammar Gadhafi one week to surrender.
A Chilean air force plane with 21 people aboard was presumed to have crashed in the Pacific Ocean on Friday after it disappeared near the remote Juan Fernandez islands, authorities said.
LONDON - Parts of the British capital resembled a battleground, with burnt-out buildings, scattered debris and rampaging gangs, after a third night of rioting on Monday.
Crowds attacked riot police and set two cars alight in north London Saturday after a protest at the fatal shooting of a man by armed officers earlier.
Most of the US troops killed belongto the same elite Navy SEALs unit that killed Osama bin Laden.
The Standard & Poor's agency on Friday dealt a heavy blow to the largest world economy as it deprived the US of its top-tier AAA credit rating.
Scientific experiments that insert human genes or cells into animals need new rules to ensure they are ethically acceptable and do not lead to the creation of "monsters".
The last space shuttle is headed home. Atlantis left the International Space Station on Tuesday and slipped away after a partial lap around the station.Russia relishes chances created by end of shuttle
U.S. space shuttle Atlantis landed safely at Kennedy Space Center in Florida on Thursday morning, marking the end of the 30-year U.S. space shuttle program.
The World Health Organisation (WHO) called on Wednesday for an immediate halt to the use of blood tests to detect active tuberculosis, saying they were faulty and leave millions of people at risk.
A population of 455 critically endangered white-cheeked crested gibbons were found in Pu Mat National Park in Vietnam's central Nghe An province, the Conservation International (CI) statement said.
Argentina's government is banning prostitution ads in newspapers and other mass media as of Friday, saying it is combatting violence against women.