(AP) - President Donald Trump signed an executive order Thursday aimed at blocking states from crafting their own regulations for artificial intelligence, saying the burgeoning industry is at risk of ...

Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration of energy that flows throughout space and time.

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...