National News

In an undated photo provided by Lockheed Martin Space, engineers and technicians evaluate the InSight spacecraft’s solar array deployment to confirm the solar cells are collecting power. InSight, which is set to launch May 5, 2018, will probe the mysteries of Mars’s deep interior and help answer geophysical questions about the planet’s structure and composition, and how it formed. (Lockheed Martin Space via The New York Times) -- NO SALES; FOR EDITORIAL USE ONLY WITH NYT STORY SCI-MARS-MISSION BY KENNETH CHANG FOR MAY 1, 2018. ALL OTHER USE PROHIBITED.