With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

The president’s top advisers gathered in a series of Situation Room meetings as they struggled to contain a scandal engulfing Donald Trump himself. Credit...Photo illustration by Alex Merto Supported ...

There is keen interest in extending the use of laser diodes beyond traditional low-power devices. Now the techniques needed to increase the achievable output power have become available. Laser diodes ...