A roundup of upcoming conferences and exhibitions.

Readers write about the financialization of aerospace, sustainable aviation fuel mandates, prospects for an airframer triopoly, and stop-fold tiltrotors.

Our roundup of the main aerospace and defense stories making the news this week.

President Trump’s first administration launched the Artemis program to send humans back to the Moon. His second term may pivot the focus to Mars.

Despite decades of accident-free flying, pilot reports pointed to the risks of a collision between helicopters and commercial aircraft in Washington airspace.

If we do not start establishing complementary and alternative systems now, we merely increase the expense and prolong the dangers to lives and property.

Trade conflicts would prolong industry’s supply chain disruptions and inflation, ultimately resulting in higher prices for airlines and the flying public.