- Claudia Sheinbaum is sworn in as Mexico's first female president in over 200 years
- Jimmy Carter marks his 100th birthday at home in Plains, Georgia - the first former US president to reach the milestone
- US vice presidential debate between Democrat Tim Walz and Republican J.D. Vance held in New York
- Comet Tsuchinshan-ATLAS is spotted over Hawaii - last visited Earth 80,000 years ago
- Death toll from Hurricane Helene passes 175, making it the deadliest US hurricane since Hurricane Katrina, as President Biden authorizes 1,000 troops to aid disaster relief
- A New Justice Department indictment against Donald Trump alleges he tried to subvert the 2020 transfer of power, taking into account the Supreme Court's immunity ruling for presidents
- The Nintendo Museum opens in Uji, Japan, focusing on the company's 135-year history
- World's longest treasure hunt comes to an end in France after 31 years, with the discovery of a golden owl statuette. Hunt is based on 11 puzzles set out originally set by Max Valentin.
- Nobel Prize in Physiology or Medicine awarded to Victor Ambros and Gary Ruvkun "for the discovery of microRNA and its role in post-transcriptional gene regulation"
- Noble Prize for Physics awarded to John Hopfield and Geoffrey Hinton "for foundational discoveries and inventions that enable machine learning with artificial neural networks"
- Hurricane Milton makes landfall near Siesta Key, Florida, as a category 3 storm causing at least 23 deaths amid one of the state's largest-ever evacuations
- The Nobel Prize for Chemistry was awarded to David Baker for building new kinds of proteins, and Demis Hassabis and John Jumper for developing an AI model to predict proteins’ complex structures
- The Nobel Prize for Literature was awarded to South Korean author Han Kang
- Nobel Prize for Literature awarded to South Korean author Han Kang
- Archaeologists announce the discovery of one of the oldest churches in the world from the 4th century BC, during excavations in Artaxata, Armenia
- Nobel Peace Prize awarded to Japanese anti-nuclear organization Nihon Hidankyo "for demonstrating through witness testimony that nuclear weapons must never be used again"
- Possible remains of mountaineer Andrew "Sandy" Irvine, with a foot, shoe, and labeled sock announced discovered on Mt. Everest. Disappeared 100 years ago with George Mallory.
- Spanish researchers, after studying genetic material, reveal Christopher Columbus was probably Spanish and Jewish and born in Valencia, not an Italian from Genoa as he claimed
- Nobel Prize in Economic Sciences is awarded to Daron Acemoglu, Simon Johnson, and James A. Robinson "for studies of how institutions are formed and affect prosperity"
- Italian fashion house Prada and aerospace company Axiom Space unveil the new spacesuit for NASA's Artemis III mission to the moon in Milan
- Teen smoking in the US has fallen to its lowest level in 25 years, decreasing 20% in a year from 2.8 million to 2.25 million, including e-cigarettes
- Britain's King Charles III makes his first visit to Australia as king, landing in Sydney with Queen Camilla
- British singer Elton John makes surprise guest appearance at rare Joni Mitchell concert for duet of his song "I'm Still Standing" at the Hollywood Bowl in Los Angeles, California
- Australian independent, Indigenous senator Lidia Thorpe shouts at King Charles "You are not our king" "This is not your land" during the king's visit to the Australian parliament in Canberra
- The "grate cheese robbery': scam reported to police the theft of rare English Cheddar worth about 300,000 pounds from Neal’s Yard Dairy in London
- LeBron and Bronny James become the first father-son duo in NBA history to appear in a game together as LA Lakers beat Minnesota Timberwolves, 110-103 at Crypto.com Arena
- French woman Gisèle Pelicot speaks in court in Avignon against her husband, accused of drugging and arranging other men to rape her, saying "It's not for us to have shame - it's for them"
- American rapper Lil Durk was arrested on federal charges of conspiracy to commit murder-for-hire as he attempted to flee the US
- The long-lost waltz by Frédéric Chopin was reported rediscovered after 200 years at the Morgan Library & Museum in Manhattan
- E. coli cases in the US linked to McDonald’s Quarter Pounders now affect 90 people, with one fatality and 27 hospitalizations, likely due to slivered onion according to the CDC
Information from On This Day