All coverage
Mars Perseverance rover snaps selfie photo with Ingenuity helicopter
By Ashley Strickland
Mars helicopter Ingenuity unlocks its rotor blades to prepare for 1st flight on Red Planet
By Meghan Bartels
How to watch the Mars helicopter Ingenuity's first flight online
By Elizabeth Howell
NASA's Mars Helicopter Ingenuity is 'go' for historic 1st flight
By Elizabeth Howell
Watch NASA attempt to fly Mars helicopter for the first time
By Morgan McFall-Johnsen