ISLAMABAD, Pakistan, July 21 (UPI) -- A Pakistani court has ordered nuclear scientist Abdul Qadeer Khan freed from house arrest in Islamabad.

BERKELEY, Calif., Sept. 12 (UPI) -- U.S. physicists have succeeded in measuring the spin of a single atom, thereby bringing quantum computers and spintronic devices closer to reality.

STATE COLLEGE, Pa., April 19 (UPI) -- U.S. scientists have developed a method of directly and precisely measuring the shift in an atom's quantum oscillations.

PHILADELPHIA, Aug. 21 (UPI) -- U.S. physicists say they have discovered a new effect in the fundamental way that laser light interacts with atoms.

ISLAMABAD, Pakistan, May 16 (UPI) -- Investigators now believe Abdul Qadeer Khan, father of Pakistan's atomic bomb, was responsible for uranium enrichment equipment going to Iran and North Korea.

ISLAMABAD, Pakistan, March 11 (UPI) -- Pakistan has admitted that a rogue scientist gave nuclear technology to Iran but insisted the government had nothing to do with it.

, Malaysia, Feb. 20 (UPI) -- Pakistani nuclear scientist Abdul Qadeer Khan sent enriched uranium to Libya and centrifuge parts to Iran, Malaysian police say in a BBC news report.

WASHINGTON, Feb. 9 (UPI) -- Pakistan must pull up a rogue nuclear proliferation network by its roots, Secretary of State Colin Powell said Monday.

ISLAMABAD, Pakistan, Jan. 31 (UPI) -- Pakistan has dismissed Abdul Qadeer Khan, the founder of its nuclear weapons program, as a special advisor to the prime minister, Saturday.

ISLAMABAD, Pakistan, Dec. 23 (UPI) -- Pakistan acknowledged Tuesday some of its nuclear scientists shared information with Iran out of "personal ambition and greed," the BBC reported Tuesday.