Daily Digest

 A multinational European industry and academic team is in the final preparations for test runs of the first fully superconducting motor prototype.

Boeing’s withdrawal from the competition to replace the Minuteman III risks altering the U.S. nuclear triad.

The pioneer years of aviation included both successful and misguided efforts to make the number of safe landings approximate to the number of takeoffs. Here are some notable examples on both sides of that record.

The airline has re-estimated the effect of the MAX grounding, which it now expects to end November 2.