The tech company has been seeking to licence content from a variety of media companies.

The use of drone strikes raises a host of ethical issues. US military chaplains − the armed forces’ moral conscience − have questions.

A new innovation not only simplifies the production process for solar cells but also increased efficiency, researchers report.

Competition over love and real estate drive two extreme behaviors of green-rumped parrotlets: adopting or killing their rivals' babies.

A new method for measuring the time interval, the second, may mitigate some of the limitations that today’s atomic clocks encounter.

A new way to make lab-grown biological tissue could offer possibilities for regeneration after injury.