World News:

The concentration of naval power in the Strait of Hormuz is heightening the risk of a fourth Gulf war, even though the show of force may be nothing more than posturing by the West and Iran in the run-up to negotiations. The stretch of water, 34 miles at its narrowest point, is the aorta of the oil trade.

All of Iran's nuclear faculties are vulnerable to a military strike, Vice Prime Minister and Strategic Affairs Minister Moshe Ya'alon said on Thursday, calling the potential of a nuclear Iran a "nightmare to the free world."

Iran was working on developing a missile with 10,000 km range that would put America in reach of a potential Iranian attack, Strategic Affairs Minister and Vice Prime Minister Moshe Ya'alon said Thursday.

Mexico's Popocatepetl volcano has been spewing gas, water vapor and incandescent materials into the skies near the country's capital for days, registering at least 14 "exhalations" late on Wednesday and in the early hours of Thursday, according to local media.

A potentially habitable alien planet -- one that scientists say is the best candidate yet to harbor water, and possibly even life, on its surface -- has been found around a nearby star.

Russia told the U.N. Security Council on Thursday it would veto a disputed draft resolution backing an Arab League plan to end the violence in Syria if it were put to a vote as early as Friday, a Western diplomat said.