When the United States and Mexico reached a new understanding about trade matters this past summer, renegotiating parts of the North American Free Trade Agreement, President Donald Trump cheered.

If we tallied up the most common words we’ve used on this show over the last handful of years, “uncertainty” would rank high on the list. We’ve used it to describe what’s happening in the housing ...

Philadelphia, PA—Space surveillance is inherently challenging when compared to other tracking environments due to various reasons, not least of which is the long time gap between surveillance updates.

Calculations show that injecting randomness into a quantum neural network could help it determine properties of quantum ...