Engineers working with the Pentagon’s advanced research arm and a Seattle startup say they are closing in on “infinite flight” for drones by zapping them with high powered lasers from the ground.

Real-world optimization problems often require an external “modeling engine” that computes fitnesses or data that are then input to an objective function. These programs often have much longer ...

What is this about simply extending an occupation of the coast for 75 years?” With this question, Greenpeace’s coastal coordinator, María José Caballero, illustrates how difficult it is to ...