What is life? It’s a seemingly simple question that leads to complex answers and heated philosophical and scientific arguments. Some focus on metabolism as the key to life, others on genetics, and ...

Update Aug. 17: Astronomers Sharply Divided on New Planet Definition The tally of planets in our solar system would jump instantly to a dozen under a highly controversial new definition proposed by ...

The phases in the life of an information system, which includes its initiation, development, maintenance and eventual demise. The length of the cycle depends on the nature and volatility of the ...

As designs become part of connected networks, so do the requirements for what’s needed to make it work properly. Defining a system used to be relatively straightforward. But as systems move onto chips ...