Sometimes you get a pitch in your inbox that you just can’t not write about. I got one of those this morning; it's the new ...

Abstract: This paper presents a software tool designed for simulating space object detection using passive radar systems, with terrestrial commercial radio or TV transmitters as illuminators of ...

Visit us in Washington, DC and Chantilly, VA to explore hundreds of the world’s most significant objects in aviation and space history. Free timed-entry passes are required for the Museum in DC. There ...

ST-LAURENT, Quebec (AP) — ST-LAURENT, Quebec (AP) — CAE Inc. (CAE) on Tuesday reported fiscal second-quarter profit of $53.7 million. On a per-share basis, the St-Laurent, Quebec-based company said it ...

Happy Veterans Day, readers. Ceremonies and tributes will be held across the country today to honor the millions of men and women who have served in the US Armed Forces. Since it’s a federal holiday, ...

Researchers have mathematically proven that the universe cannot be a computer simulation. Reality, they argue, is rooted in a “non-algorithmic understanding” that no algorithm could ever replicate.

If such a simulation were possible, the simulated universe could itself give rise to life, which in turn might create its own simulation. This recursive possibility makes it seem highly unlikely that ...