Oil prices are spiking again, this time because of the war unfolding in the Middle East. What would happen, however, if we could end our reliance on oil for good? People have been ...

Astrolight CEO Laurynas Mačiulis explains how laser satellite communication could ease spectrum congestion, increase data capacity, and raise new engineering and policy questions for space ...

Directed-energy weapons are often sold as systems that can fire forever. In practice, dwell time, heat, and the chaos of the battlefield impose strict limits on how many threats they can actually stop ...