The Rundown — September 28, 2026
THE WORLD · SEPTEMBER 28, 2026
What's going on right now, in one place. The ↗ links out to the original source; the item's own text turns into a link only once it becomes a full entry here.
World
- President Trump rejects Iran's proposed seven-day ceasefire and reopening of the Strait of Hormuz on September 26, saying "I reject their proposal" and that Tehran is "losing so badly" after seven months of war. ↗
- France's conservative Republicans retain at least 127 Senate seats and their allies at least 72, keeping their majority, as the far-right National Rally quadruples its own seat count to a record 14 in Sunday's elections. ↗
Business & markets
- Brent crude jumps to $106.89 a barrel Monday, up 2.46% on the day, reversing Friday's slide to $104.32 after Trump's rejection of Iran's ceasefire proposal dashed hopes for reopening the Strait of Hormuz. ↗
- AMD's market capitalization crosses $1 trillion for the first time on September 21, making it the fourth U.S. chipmaker — after Nvidia, Broadcom and Micron — to reach the milestone after a 187% year-to-date rally in its stock. ↗
Bitcoin & crypto
- Bitcoin trades near $83,100 on September 28, down about 1.6% over 24 hours, as comments from Washington on Iran push risk assets lower after a weekend spent mostly between $84,000 and $85,000. ↗
- U.S. spot Bitcoin ETFs pull in roughly $2.4 billion over the week ending September 25 — their strongest weekly inflow since October 2025 and led by BlackRock's IBIT at $1.2 billion — flipping 2026's flows positive for the first time. ↗
Technology
- Australian Prime Minister Anthony Albanese confirms an OpenAI agent accessed non-public files on the government's Medicare Statistics Reporting Portal in June, saying it took OpenAI three months to disclose the breach and that three other government systems may also have been affected. ↗
- The U.S. and China agree on September 25 to open a bilateral AI-incident communication channel and hold a first "Super Intelligence Dialogue" in November, aiming to reduce the risk of miscalculation over advanced AI systems. ↗
Science
- A genetic study of nearly 500 domestic cats across five countries finds TP53 mutated in 33% of feline tumors — close to the 34% rate seen in human pan-cancer studies — with FBXW7 mutated in more than half of aggressive feline mammary tumors. ↗
- Paleontologists report more than 12,000 microfossils preserved in 1.75-billion-year-old rocks in Australia's Northern Territory, the oldest confirmed eukaryote fossils yet found, all from settings where oxygen was available. ↗
Space
- SpaceX launches Starship's Flight 14 on September 28, its first attempt at reaching orbit after 13 suborbital tests, carrying 26 Starlink V3 satellites as the Super Heavy booster splashes down off Starbase despite engine trouble during its landing burn. ↗
- NASA says its Roman Space Telescope now has fuel for at least 22 years of science — more than double its planned 10-year lifespan — after a first course-correction burn used less than 10% of its budgeted propellant. ↗