Q&A with Scott Bolton, principal investigator on NASA’s Juno mission

Iridium chief executive Matt Desch spoke with Spaceflight Now on the eve of the first launch for the company’s next-generation satellite fleet, discussing the $3 billion upgrade’s technical and financial ramifications and his feelings before deployments begin in orbit.

A European-built orbiter designed to seek out the source of methane on Mars slipped into orbit around the red planet Wednesday after a seven-month interplanetary journey, but mission control lost contact with an experimental landing probe just before touchdown.

The United Arab Emirates became the fifth nation or space agency to put a spacecraft into orbit around Mars on Tuesday with the arrival of Hope, a probe built in partnership with U.S. scientists to obtain a unique global perspective on the Red Planet’s weather and climate.