A simple vitamin could be the key to bringing one of the world's most endangered bird back from the brink of extinction, New Zealand scientists said Friday.

Afghan Muslims on Saturday observed Ashura, or the 10th of holy month of Muhharam in the Islamic calendar, to commemorate the martyrdom of Imam Hussein, grandson of Islam's Prophet Muhammad (PBUH) and his companions.

Australians are joining global celebrations of the Back to the Future day on Wednesday in honor of the date Marty McFly and Doc Brown traveled through time from the Hollywood film's 1985 setting to Oct. 21, 2015.

A New Zealand-led study has opened the way to a global approach to tackling one of the major sources of greenhouse gases, scientists at the government's AgResearch institute said Monday.