WAUKESHA, Wis. – Understanding astronomy isn’t just about exploring the universe through a telescope. It’s understanding the laws of physics, challenging theories, and testing ideas with simulations.

At first glance, there is not the slightest doubt: to us, the universe looks three dimensional. But one of the most fruitful theories of theoretical physics in the last two decades is challenging this ...

In the past quarter century, astronomical observations have led to discoveries that have literally transformed our conception of the universe. One such transformation occurred in 1998, when dark ...

Major reforms and inventions often begin with a line of mathematics. For students, equations can look abstract on a classroom ...