At the end of December 2025, 32.1 million people [28.2 million–33.4 million] people were accessing antiretroviral therapy, up from 7.7 million [6.7–8 million] in 2010. In 2025, 78% [62–90%] of all ...

The Wright brothers—you may have heard of them. But who exactly were they and what did they do? The invention of the airplane by Wilbur and Orville Wright is one of the great stories in American ...

The Standard Model explains how the basic building blocks of matter interact, governed by four fundamental forces. The theories and discoveries of thousands of physicists since the 1930s have resulted ...

This article is only available with a subscription for Commercial Aviation News, Operator & Airport Data. Subscribe now to get full access to our exclusive News.

A look at some of the fastest kit-built aircraft ever created, combining impressive performance with the appeal of homebuilt aviation. Coffee linked to significant new side effect, says massive study ...

This is a website that introduces the charm of aircraft by building and photographing plastic models. This is the third installment in the series. *AI-generated images are also used. Model : Revell ...

Abstract: We present a model-based systems engineering (MBSE) framework using object-process methodology (OPM, ISO 19450) for civil transport aircraft design with dynamic landing constraints. The ...

Abstract: This paper presents a wind estimation method for a dual-rotor tail-sitter unmanned aerial vehicle with all flight phases. The large flight envelope and the slipstream generated by the ...