Less than two weeks later, on June 25, reports began to circulate of a second nova blossoming in the southern night sky, this time in the constellation Vela. This nova — later designated V572 Velorum ...

Distance-based rate-adaptive visible-light-communication system with probabilistic shaping is proposed and experimentally demonstrated. We achieved flexible access with the net data-rate from 1.84 to ...

According to the Space Weather Prediction Center, Wednesday night's aurora will be visible in Alaska, Washington state, Idaho ...