Aerospace

Nongovernment satellites are vulnerable to attack, and calling them critical infrastructure would make it easier for the U.S. to fight back

Commercial spacecraft are vying to land on the lunar surface, but can they jump-start a new space economy?

A top U.S. commander wants to test technology that can better defend domestic targets

New work maps a region’s nutrient landscape

More than 170 projects are underway worldwide

There are no individual saviors for Tonga’s Internet infrastructure

A delayed rollout bought time to address worries that the new telecommunications standard would interfere with aviation instruments

Tracking the missiles is like picking out one light bulb against a background of light bulbs, but new technology aims to see them more clearly

The biofuel, made from used cooking oil, could help the aviation industry cut climate-threatening carbon emissions

The tiny sensors could gather and transmit environmental data as they drift through the air

President Joe Biden’s infrastructure plan includes an unprecedented $65 billion for broadband deployment, but money alone will not fix the U.S.’s Internet problem. This short documentary shows why

A bioinspired arrangement could save energy by allowing one plane to provide extra lift to another—if both aircraft can remain stable