Laser sail propulsion is an idea that won't go away. By aiming powerful Earth-based lasers at tiny spacecraft with light sails, tiny spacecraft can be accelerated to near-relativistic speeds without ...

Solicitor General John Sauer argued that ending temporary protected status for Syrian and Haitian immigrants would project messages of confidence in the political systems of both countries. He pointed ...

With billions of people around the world using Facebook as a social networking tool, it's a pretty nifty way to stay in touch with a broad circle of friends, business associates, customers and ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Betsy began her career in international finance and it has since grown into a comprehensive approach to journalism as she's been able to tap into that experience along with her time spent in academia ...

Surveys show about half of the oldies plan to stay put until they pass their best-before date and just 16% have a plan to ...