I kind of lost track of space and time,” the American told NBC News' "TODAY" after he climbed the famous skyscraper.

Honnold is familiar with the challenges of free-soloing, having climbed Yosemite’s 3,000-foot El Capitan among other feats — ...

You are stranded in the middle of the forest, and there are enemies all around. You need to get a shelter built fast. Of course, eventually you will want to upgrade ...

For the sake of discussion, let’s say you’re building a simple set of stairs for a deck, basement access, or up to an attic. You’ll just be using 2-by-12s for both the stringers and the treads. This ...

This photo taken Dec. 26, 2025, shows investigators at a multi-tenant building where a man who later died was discovered lying on the third floor, in Yokohama's Naka Ward. (Mainichi/Daiki Yano) ...

A single staircase in a San Diego apartment building. Some stakeholders embrace what’s called “single stair reform in the debate over housing development. (Photo by Times of San Diego staff) This ...

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This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Los Angeles building codes require ...

Bloom patterns could be useful, as engineers build folding structures to send to outer space. They’re also very pretty. Researchers have now found a new class of origami that they call bloom patterns, ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...