Cover Story

The dark side of green

By Keith Button

June 2023

Researchers are beginning to weigh the environmental trade-offs associated with decarbonizing air travel by switching to hydrogen combustion, hydrogen fuel cells and lithium batteries. Keith Button tells the story.


All Departments
Case Study

Sticking the landing

June 2023

Touching down on the moon safely, accurately and autonomously will require highly capable cameras and software. Dominic Maggio and Brett Streetman of Draper take us inside the flight testing of their team’s landing system.


All News

Advanced air mobility

All Posts

Human Spaceflight

All Posts

Space Science

All Posts