Space The European probe Huygens descended towards the Saturn moon Titan, culminating a seven-year quest covering 2.1 billion kilometers (1.3 billion miles) to explore one of the greatest enigmas of the Solar System. Asia Indonesia will seek a peace deal to end a long-running separatist war on Aceh province where most of the 163,000 deaths from last month's Indian Ocean earthquake and tsunamis occurred, Vice President Yusuf Kalla said. Mideast Six Israelis were killed overnight in a Gaza bomb attack coordinated by three Palestinian militant groups, prompting top Israeli and US officials to urge new Palestinian leader elect Mahmud Abbas to stop unrest at once. Iraq Deadly attacks against Iraq's Shiite Muslims multiplied ahead of elections that the majority community is expected to win, as US Secretary of State Colin Powell warned that an unrepresentative vote could ultimately "embolden" insurgents. Britain Prince Harry, third in line to the British throne, rejected demands to make further apologies for having dressed as a Nazi at a costume party, where photographs of him sparked an international outcry and a stunned European press said even apologies would not erase the scandal. Russia US-based Human Rights Watch (HRW) in its latest annual report criticized a growing rollback of post-Soviet freedoms in Russia and persistent human rights violations in the years-long conflict in breakaway Chechnya. Ukraine Ukraine's defeated presidential candidate Viktor Yanukovich filed a final appeal with the supreme court over a rerun vote won by liberal rival Viktor Yushchenko, who for his part looked ahead to taking power. Russia Japan will not sign a peace agreement with Russia formally ending World War II hostilities until all four islands disputed by the two countries are returned to Japan, Japanese Foreign Minister Nobutaka Machimura said here. NKorea North Korea said it would resume talks on its nuclear weapons drive if US President George W. Bush toned down his rhetoric and formulated a more friendly policy towards Pyongyang. Spain An Argentine former navy officer went on trial here accused of genocide and serious human rights abuses under his country's dictatorship, including throwing prisoners into the ocean from helicopters.