Q&A with Michel Denis, ExoMars flight director

NASA’s robotic Ingenuity helicopter is poised to make the first attempt at a powered flight in the atmosphere of Mars. Watch live at 6:15 a.m. EDT (1015 GMT) Monday as NASA officials receive signals confirming the outcome of the automated flight attempt.

Arianespace delayed the launch of a Vega rocket from French Guiana Tuesday night due to a typhoon threatening a ground station in South Korea needed to track the vehicle as it deploys a cluster of more than 50 small satellites.

A powerful Russian Proton booster launched from Kazakhstan at 0931:42 GMT (5:31:42 a.m. EDT) Monday with the first part of a multibillion-dollar Mars mission led by the European Space Agency. An upper stage engine fired four times over 10 hours to send the Mars orbiter and lander away from Earth.