A dead satellite can become a high-speed hazard in an orbit that is already packed with working spacecraft. That risk is why ...

Explore mobile crane trends in 2026, from high-capacity lifting and smart technology to faster setup times and improved ...

A team of researchers at Penn State have devised a new, streamlined approach to designing metasurfaces, a class of engineered ...

Chinese AI company Deepseek has unveiled a new training method, Manifold-Constrained Hyper-Connections (mHC), which will make it possible to train large language models more efficiently and at lower ...

This article is also available as a pdf version. A young man walks toward the entrance to an underground subway. As he starts down the escalator, his heart rate increases, but he continues. He ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Introduction Virtual reality-based telerehabilitation (VR-TR) combines gamified exercises with remote supervision for people with Parkinson’s disease (PD). Its effectiveness and safety in PD remain ...