SEOUL, June 20 (UPI) -- Renegade Pakistani scientists may be helping North Korea develop nuclear weapons, the South Korean Yonhap news agency reported Sunday.

PYONGYANG, North Korea, April 13 (UPI) -- A Pakistani nuclear scientist claims to have visited a secret underground nuclear plant in North Korea, the New York Times said Tuesday.

ISLAMABAD, Pakistan, March 22 (UPI) -- Pakistan's President Pervez Musharraf has withdrawn a high civilian award on the wife of the disgraced Pakistani nuclear scientist A.Q. Khan.

WASHINGTON, March 4 (UPI) -- U.S. Secretary of State Colin Powell has urged the international community to criminalize proliferation and close nuclear loopholes.

WASHINGTON, March 3 (UPI) -- The United States and Pakistan have been working quietly to unearth a network of nuclear proliferators since late 2002. U.S. and Pakistani officials told United Press International the U.S. government knew about the activities of the gang, headed by now-d

TRIPOLI, Libya, Feb. 20 (UPI) -- The U.N. nuclear watchdog agency said Friday Libya had managed to produce a small amount of plutonium using technology acquired on the black market.

PYONGYANG, North Korea, Feb. 10 (UPI) -- North Korea has denied buying nuclear secrets from a Pakistani scientist and accused the United States of fabricating the claim, The Guardian reports.

ISLAMABAD, Pakistan, Feb. 5 (UPI) -- The Pakistani scientist who admittedly leaked nuclear technology to Libya and North Korea will likely receive a governmental pardon, the BBC said Thursday.

ISLAMABAD, Pakistan, Feb. 2 (UPI) -- The father of Pakistan's atomic bomb has admitted giving nuclear secrets to Iran, Libya and North Korea.

ISLAMABAD, Pakistan, Jan. 21 (UPI) -- Pakistan has decreed its nuclear scientists may not leave the country after allegations the country helped Iran's nuclear development.