Sharks and rays pushed towards extinction by the shark fin trade are hot on the agenda at key wildlife talks.
The space agency is reportedly looking into an allegation against astronaut Anne McClain.
President Jair Bolsonaro orders soldiers to be sent to the region, after pressure from EU leaders.
Numbers of the world's tallest mammal have fallen in Africa by 40% in the past three decades.
Research during Ireland's abortion referendum highlights risks for social networks.
The WWF said it was "very unlikely" that pollution reduction targets would be met without new laws.
It is hoped the unprecedented procedure will prevent the extinction of the northern white rhino.
MPs say people will have to stop driving if the UK is to meet its Zero Carbon goals by 2050.
Spectacular images from a new microscope spark a "revolution" in biology
The World Health Organization says its findings are based on the "limited information" available.