Drones or UAVs are becoming more common in military aircraft and carry out some important missions. So how long can they stay in the air? Here's what we know.
The autonomous solar power Skydweller aircraft is capable of nearly perpetual, safe flights in all conditions.
Thales Alenia Space has been chosen by the European Space Agency to lead the SaveCrops4EU project, part of ESA’s Digital Twin Earth programme.
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