Slate is retiring “Today’s Papers,” one of the original aggregators of the Web, 12 years after it started its beloved once-a-day summary of the nation’s news pages.

In its place comes a new recap of the news, one that acknowledges that the news cycle has, well, sped up quite considerably since “Today’s Papers” started in 1997. That is why the “Slatest,” the name of the new feature that comes online Monday morning, will collect the world’s news three times a day.

David Plotz, editor of the online magazine Slate, very superlatively calls it a “very fast, very intelligent, very witty news aggregation feature.”

The new feature will succeed both “Today’s Papers” and its companion, “Other Magazines.” In an interview, Mr. Plotz said that when “Today’s Papers” was introduced in the early days of the Web, it met a need “our readers hadn’t even known they had.”