Here are the full stories on the biggest news that happened this week: 1. Stephen Hawking dies at the age of 76. 2. Palestinian Authority Prime Minister Hamdallah survives assassination attempt in Gaza. 3. 5 dead in New York helicopter crash. 4. Trump fires Secretary of State Tillerson, taps CIA director Pompeo. 5. Actor Dean Cain of Superman's dream to visit Israel comes true.