Fuel the Future through #ESAGrandChallenge follow us at https://t.co/8a2mSVMfQg pic.twitter.com/ToWvc1KL7D — ESA Space Economy (@ESASpaceEconomy) June 8, 2017

Simulating lunar exploration – first traverse using ESA Heavy Duty Planetary Rover – follow @ESA_Tech on #DarkRover LUCID trials this week https://t.co/EGJrDSROlx — ESA (@esa) June 8, 2017

Watch LIVE from ESTEC at 09:30: Innovation Exchange for our #ESAGrandChallenge https://t.co/GegP29529U pic.twitter.com/HtE2v2ocqF — ESA (@esa) June 8, 2017

As you get dressed this morning, here's a thought … https://t.co/8TeZU3vzSg — ESA (@esa) June 8, 2017

On certain dates in February, an elusive firefall can be spotted at sunset in Yosemite National Park, when the weather cooperates and the direction to the setting Sun is just […]