The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

In high-intensity laser–matter interactions, including laser-induced particle acceleration, physicists generally want to work ...

“What’s the point of the exercise here? Is it to inform people, or to show off what we know and how sophisticated we sound?” About the last thing anyone wants to remember from this most recent ...

News about Chicago sports from the Chicago Tribune: Bears, Cubs, White Sox, Bulls, Blackhawks, Sky and more.

*Some of the nation's largest banks reported results that topped expectations, yet the reaction to those results has been mixed. *It is possible that the Supreme Court could issue its ruling on the ...