Snapshots from Atlas 5 launch

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.

Closing out an automated 18-hour rendezvous, a SpaceX Dragon cargo ship loaded with 7,000 pounds of supplies and equipment, including two add-on roll-out solar blankets, caught up with the International Space Station early Tuesday and moved in for a problem-free docking.

Veteran astronaut John Grunsfeld, who flew five space shuttle missions before becoming the head of NASA’s science mission directorate in 2012, announced Tuesday he will leave the space agency at the end of April.