When people think about habitats on Earth, they likely picture forests, oceans or grasslands. Few think to look up. Yet the lower atmosphere, or troposphere, may be the largest habitat on the planet.

Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Their prominence at the glittering affair — and the palace’s careful staging of it — was ...

Whether it is snow, rain, frost or just ice, any kind of freezing pellets or moisture that might weigh down a plane must be removed before takeoff. Reporting for TODAY, NBC’s Tom Costello shares a ...

The holiday season is a popular time of year for travel—and it also happens to be cold and flu season. Nobody wants to get sick on vacation, so we asked Greg Schrank, MD, MPH, an infectious diseases ...

Flight attendants favor exit row window seats for the extra legroom, quiet surroundings, and a better chance at restful travel. Sitting over the wing, especially in the exit row, offers a smoother ...

Good manners never go out of style, but they do occasionally need to be refreshed. In workplaces everywhere, that refresher couldn’t come sooner. In the decade since the previous edition of “Emily ...

The 2026 World Cup is fast approaching. It’s almost Christmas (can you believe it?), and before long we’ll be in 2026—meaning we’re just months away from the largest World Cup in history, hosted ...

Apple joined Google this week in allowing travelers to add their passports to their cellphone “wallets.” As the holiday travel season nears, here’s what you need to know. By Claire Fahy As Americans ...