In theory, a universe can come in any shape or size, but scientists prefer to think about three basic kinds of universes: one that’s expanding, one that’s collapsing, and one that stays the same. Out ...

United Airlines is introducing "basic" business class on long-haul flights later this year. These unbundled tickets can be cheaper because they let flyers only pay for what they value. Some industry ...

Forget the K-shaped economy. The growing gap between the upper, middle and lower classes suggests we’re in what’s being called an E-shaped economy — which could spell trouble ahead. Since 2020, many ...

Cosmologists have an embarrassing problem: we don’t know what shape the universe is. The cosmos has three possible geometries—positively curved like a sphere, flat like an infinite plane or negatively ...

A new shape-shifting material can change both its texture and color in seconds, inspired by the camouflage abilities of octopuses. By precisely controlling how a polymer swells with water, researchers ...

United is segmenting its top-tier Polaris and premium economy cabins. The new "Base" Polaris fare will charge customers to pick a seat. It doesn't allow changes or entry to the Polaris lounge, though ...

While the upfront price for a basic economy ticket may seem enticing, the real cost often shows up later. One of the biggest misconceptions is that it's simply a cheaper version of standard economy ...

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