Brazil and Mexico demand an explanation from the US over claims that the National Security Agency (NSA) spied on the presidents of both Latin American countries.

Thai authorities will seek to arrest a grandson of Red Bull's co-creator, accused of killing a policeman, after he fails to appear in court.

The daughter of Libya's former intelligence chief Abdullah al-Senussi has been abducted after leaving a prison in Tripoli, officials say.

Former President Carlos Menem appears in court in Argentina accused of falsifying his tax returns, charges he denies.

A tiny frog with no ears hears using its mouth cavity as a "resonator" to convey sound signals to its brain, research reveals.

Endurance swimmer Diana Nyad succeeds in becoming the first person to swim from Cuba to the US without a shark cage.

Malaysia cuts fuel subsidies for the first time in more than two years as it tries to cut its budget deficit.

Japan is to invest hundreds of millions of dollars to stem leaks of radioactive water from the Fukushima nuclear plant, the government says.