Unproven Ebola drugs are put on the fast track

Experimental Ebola drugs, including compounds from Mapp Biopharmaceutical, Sarepta and Tekmira, will be tested in West African states for the first time in a bid to fast-track trials, the Wellcome Trust said on Tuesday.

UN chief urges the world to set a 'new course' on climate

The largest gathering of world leaders ever to deal with climate change opened at the United Nations on Tuesday with a call to action that advocates say would put the planet on course toward reversing global warming.

Poll: Support for gay marriage declines

A survey from the Pew Research Center indicates support for same-sex marriage in the US could be leveling off after several years of dramatic growth in the acceptance of equal rights for gays and lesbians.

Start early for lifelong good sight

If your mother told you to eat carrots so you'd be able to see in the dark, she was right.

US hits Islamic State in Syria

The United States and its Arab allies struck from the air inside Syria for the first time on Tuesday, killing dozens of Islamic State fighters and members of another group linked to al-Qaida.

How the US approved actions

A look at the domestic legal steps the United States has taken to authorize military action around the world:

Australian leader warns jihadists they face prison

Australia's Prime Minister Tony Abbott warned on Tuesday that Australians who fight with the Islamic State group in the Middle East will be "jailed for a very long time" when they return home under a proposed law that would make it an offense to simply visit terrorism hot spots abroad.

Cameron seeks Iran's help against IS

British Prime Minister David Cameron and Iranian President Hassan Rouhani will meet within the next two days in New York, where Cameron is expected to ask for help in the fight against Islamic State.

IN BRIEF (Page 11)

Berliners buy goods as nature intended at no-package shop

Clutching their preserve jars, Tupperware boxes and cloth shopping bags, Berliners can now buy their groceries pack-age-free in a "precycling" first for the environmentally switched-on city.

Indian, US spacecraft arrive at red planet on separate missions

NASA's MAVEN spacecraft began orbiting the red planet on Sunday, on a mission to study how climate changed over time from warm and wet to cold and dry.

World marches on climate change

Tens of thousands of activists walked through Manhattan, warning that climate change is destroying the Earth, in stride with demonstrators around the world urging policymakers to take quick action.