Tropical Storm Isaias forms and could become the season's first hurricane, Yemen's Houthis claim strikes on Saudi airports, the S&P 500 closes at a record, a chemistry Nobel for mirror-image molecules, and the Dodgers and Padres win NLDS Game 3s.
Tropical Storm Isaias formed in the southwestern Gulf with 40 mph winds. The National Hurricane Center expects it to become a hurricane before reaching the northern Gulf Coast late this week, with landfall possible between eastern Louisiana and the western Florida Panhandle. It would be the first hurricane of the 2026 Atlantic season. Heavy rain is expected Friday into the weekend.
Yemen's Iran-backed Houthi rebels said they launched dawn drone and ballistic missile attacks on King Khalid International Airport in Riyadh, Abha airport and Saudi military sites. The Saudi-led coalition says it intercepted missiles, including one north of Riyadh. Missiles and drones were also aimed at Aden's airport in Yemen, where a flight was diverted. The escalation follows heavy fighting along Yemen's Red Sea coast.
The S&P 500 rose 0.58% to a record close of 7,818.93 on Tuesday, led by tech stocks including Nvidia and AMD, as oil prices eased and Treasury yields slipped. The Nasdaq rose 0.45% and the Dow 0.49%.
France's Henri Kagan and Japan's Kenso Soai won the 2026 Nobel Prize in Chemistry for work in asymmetric chemistry, the study of molecules that exist as non-identical mirror images. Nobel committee chair Heiner Linke said they resolved a century-old mystery of how homochirality can emerge spontaneously. The prize is worth 12 million Swedish kronor.
The Dodgers beat the Braves 3-1 in Atlanta for a 2-1 lead in their NL Division Series, behind Yoshinobu Yamamoto's 10 strikeouts. The Padres beat the Brewers 4-3 on Jake Cronenworth's go-ahead home run to cut Milwaukee's lead to 2-1. Both Game 4s are Wednesday.
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