Here are the full stories on the biggest news that happened this week:1. Abbas calls for international conference to advance peace efforts. 2. Netanyahu to be questioned in “Bezeq-media” corruption case.3. $15 billion worth of Israeli natural gas to be sold to Egypt.4. Researchers practice living on Mars in Israel's desert.5. Trump says arming teachers could prevent school massacres.6. IDF holds brigade exercises on northern front.