As people across Chicago celebrate the new year, police are working to make sure everyone stays safe amid all the fun.

Modern cosmology stands on the brink of a transformative era, where groundbreaking observational technologies redefine our ...

Cosmologists have long wondered whether dark energy and the accelerating expansion of the universe is an illusion. Now the ...

This late-time acceleration was discovered in 1998 by two teams of astronomers making distance measurements using supernovas ...