The S&P 500 index of big American companies hit a record high, climbing at one point by 0.8%; it closed the day up by 0.6%. The tech-heavy NASDAQ rose by nearly 0.5%. Investors are excited about AI again—Nvidia,

Despite political backlash and past weather delays, the massive wildlife bridge over the 101 Freeway in Agoura Hills is racing toward a Dec. 2 opening. Now, the only threat to the deadline is Mother Nature.

Mass protests over decrepit schools and absent teachers are in their third week, with more planned. Officials have failed so far to quell a movement drawing many adult supporters. By Catherine PorterMark Landler and Ségolène Le Stradic A top aide to ...

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The global energy system is already being pushed to the brink. A hurricane barreling down on America’s refining nerve center is the last thing that’s needed.

World Space Week couldn't come at a better time amid a year when Artemis astronauts ventured near the moon and SpaceX's Starship reached orbit.

French bond investors are demanding sharply higher interest rates, a cautionary development for other high-debt countries.

Out of the 20 Female and Male Athlete of the Year nominees, five are Americans.

After the longest-ever international window, USA TODAY Sports takes a look at one item from each continent.