Kennewick Man's Native American Ancestry Confirmed, Repatriation Decision Still Pending

Columbia's 1993 Mission: Groundbreaking Experiments and Intravenous Breakthroughs in Space Flight

Almost a decade after meeting at a celebrity tennis tournament, television news reporter Maria Shriver marries movie actor and former bodybuilder Arnold Schwarzenegger on April 26, 1986.

Chernobyl Disaster: A Grim Legacy of Radiation Affects Millions Even Decades Later

On April 26, 1977, the legendary discoteque Studio 54 opens its doors for the very first time.

Mass Polio Vaccine Testing in 1954: A Landmark Moment for Public Health

In an effort to resolve several problems in Asia, including the war between the French and Vietnamese nationalists in Indochina, representatives from the world’s powers meet in Geneva.

Epic Astronomical Debate: Shapley vs. Curtis on Milky Way's Place in the Universe

On April 26, 1915, after receiving the promise of significant territorial gains, Italy signs the Treaty of London, committing itself to enter World War I on the side of the Allies.

Trailblazing Black Inventor J.H. Robinson Patents Life-Saving Technologies in 1899