Storks feeding on rubbish dumps instead of migrating are more likely to survive the winter, research shows.

Three US airmen damaged a nuclear missile in its silo while carrying out maintenance in 2014, but officials insist there was no risk to public safety.

Four Latin American and Caribbean nations warn women to avoid pregnancy after Brazil's outbreak of Zika, a virus linked to severe birth defects.

Former Turing Pharmaceuticals CEO Martin Shkreli has asked US Congress for immunity in order to testify before a hearing next Tuesday.

Iran and China pledge closer economic ties, as China's Xi Jinping becomes the first leader to visit Tehran since sanctions were lifted.

South Sudan misses a key deadline to create a transitional government, part of a peace deal to end the civil war which began in 2013.

US entrepreneur Jeff Bezos reflies the New Shepard rocket and capsule system he launched and recovered last November.

A 13-year-old Palestinian girl who tried to stab a security guard at an Israeli settlement in the occupied West Bank has been shot dead, police say.