Today's featured article

This star symbolizes the featured content on Wikipedia.
This star symbolizes the featured content on Wikipedia.

Each day, a summary (roughly 975 characters long) of one of Wikipedia's featured articles (FAs) appears at the top of the Main Page as Today's Featured Article (TFA). The Main Page is viewed about 4.7 million times daily.

TFAs are scheduled by the TFA coordinators: Wehwalt, Dank, Gog the Mild and SchroCat. WP:TFAA displays the current month, with easy navigation to other months. If you notice an error in an upcoming TFA summary, please feel free to fix it yourself; if the mistake is in today's or tomorrow's summary, please leave a message at WP:ERRORS so an administrator can fix it. Articles can be nominated for TFA at the TFA requests page, and articles with a date connection within the next year can be suggested at the TFA pending page. Feel free to bring questions and comments to the TFA talk page, and you can ping all the TFA coordinators by adding "{{@TFA}}" in a signed comment on any talk page.

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From today's featured article

Example of a polynomial equation, studied in elementary algebra
Example of a polynomial equation, studied in elementary algebra

Algebra is the branch of mathematics that studies certain abstract systems, known as algebraic structures, and the manipulation of statements within these systems. Elementary algebra generalizes arithmetic by using variables in addition to numbers. It covers methods of transforming equations to solve them by isolating variables. Linear algebra examines systems of several linear equations and techniques to determine for which values all equations in a system are true at the same time. Abstract algebra investigates algebraic structures, which consist of a set of objects together with operations defined on that set. It distinguishes algebraic structures, such as groups, rings, and fields, based on their number of operations and the laws they follow. Algebraic methods were first studied in ancient times to solve specific problems. As algebra evolved, it became increasingly abstract and generalized, leading to many applications in other branches of mathematics and the empirical sciences. (Full article...)

From tomorrow's featured article

Pink frock coat from the collection
Pink frock coat from the collection

Jack the Ripper Stalks His Victims is the first collection by British designer Alexander McQueen, produced for his master's degree in fashion at Central Saint Martins. Inspired by the victims of Jack the Ripper, and by Victorian-era fashion, erotica, and prostitution practices, the collection was presented on the runway at London Fashion Week on 16 March 1992. Editor Isabella Blow was fascinated by the runway show and insisted on purchasing the entire collection, and became McQueen's friend and muse. Jack the Ripper remains an object of critical analysis for its violent concept and styling. McQueen continued the narrative and aesthetic tendencies from Jack the Ripper, producing collections inspired by macabre aspects of history, art, and his own life. Items from Jack the Ripper, most notably a pink frock coat with a thorn print (pictured), have appeared in Alexander McQueen: Savage Beauty (2011 and 2015) and Isabella Blow: Fashion Galore! (2013). (Full article...)

From the day after tomorrow's featured article

Conrad by Surveyor 3 on the lunar surface
Conrad by Surveyor 3 on the lunar surface

Apollo 12 (November 14–24, 1969) was the second crewed landing on the Moon. The sixth crewed mission in the U.S. Apollo program, it was launched by NASA from the Kennedy Space Center, Florida. Commander Charles "Pete" Conrad and Lunar Module Pilot Alan L. Bean walked on the Moon while Command Module Pilot Richard Gordon remained in orbit. Launched on a rainy day, Apollo 12 was twice struck by lightning; the outward journey otherwise saw few problems. On November 19, Conrad and Bean landed close to the Surveyor 3 probe. This meant NASA could plan missions expecting that astronauts could land close to target. Conrad and Bean carried a group of nuclear-powered instruments, and the first color television camera taken by an Apollo mission to the surface, but the picture was lost after Bean accidentally pointed the camera at the Sun and its sensor burned out. Conrad and Bean visited Surveyor 3 (pictured) and removed parts for return to Earth. The Apollo 12 mission safely returned to Earth on November 24. (Full article...)