Top 5 KGB operations on U.S. soil

Russia's famed intelligence agency was often successful in getting American secrets.

KGB logo and NYC in 1970. Credit: Getty Images
  • The KGB recruited spies and carried out numerous operations in the United States.
  • The spies compromised U.S. intelligence and military.
  • Some practices of the KGB continue in modern intelligence.
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10 science photos that made history and changed minds

These photos of scientific heroes and accomplishments inspire awe and curiosity.

  • Science has given humanity an incalculable boost over the recent centuries, changing our lives in ways both awe-inspiring and humbling.
  • Fortunately, photography, a scientific feat in and of itself, has recorded some of the most important events, people and discoveries in science, allowing us unprecedented insight and expanding our view of the world.
  • Here are some of the most important scientific photos of history:
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At least 340,000 Americans died from radioactive fallout between 1951 and 1973

Domestic nuclear testing wreaked havoc on thousands of families.

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  • Hiroshima and Nagasaki resulted in the deaths of hundreds of thousands. But new research shows that domestic U.S. nuclear tests likely killed more.
  • The new research tracked an unlikely vector for radioactive transmission: dairy cows.
  • The study serves as a reminder of the insidious and deadly nature of nuclear weapons.
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Did Russia just launch a secret space weapon into orbit?

Russia has launched several so-called "inspector satellites" that could potentially be weaponized.

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  • U.S. intelligence recorded a Russian rocket deploying a mysterious object during a recent mission.
  • It's possibly an inspector satellite, a spacecraft designed to repair, monitor and, potentially, destroy other satellites.
  • Weaponized satellites would likely be used in the early stages of a large-scale conflict, U.S. intelligence reports.
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Russia threatens ‘retaliation’ after U.S. declares plan to withdraw from arms treaty

On Tuesday, Secretary of State Mike Pompeo said the U.S. will withdraw from the 1987 agreement unless Russia falls back into compliance.

  • The 1987 Intermediate-Range Nuclear Forces Treaty (INF) was an agreement between the Soviet Union and the U.S. to ban mid-ranged, nuclear-tipped missiles.
  • Both Russia and the U.S. have accused each other of violating the pact in recent years.
  • As it stands, Russia has 60 days to return to terms agreed upon in the deal or the U.S. will withdraw from the pact.
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