Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...

Israel's military operation in Gaza has killed tens of thousands of people, destroyed thousands of buildings, and severely restricted the supply of food. The operation was launched after Hamas ...

In physics, we have a bunch of constants that are used in models to explain how the world works. These are fixed numbers that we plug into equations along with our variables. For example, the ...

It's fun to think about the fundamental physical constants. These are special values used in our models of the physical universe. They include things like the speed of light, the gravitational ...

Planck’s constant is one of the most important numbers in all of physics. It is, essentially, the ultimate guide to the quantum world. It tells us where quantum effects are important, the fundamental ...

Mathematicians attended Roger Apéry’s lecture at a French National Center for Scientific Research conference in June 1978 with a great deal of skepticism. The presentation was entitled “On the ...

The hoary doctrine of “proportionality” from the “just war” theory is being sorely tested by the wars in the Middle East and Ukraine. The premise of this theory, as first expounded in the West by ...

On Saturday, Israel justified the killing of more than 100 Palestinians sheltering at a school in Gaza City by claiming the attack was targeted at 20 Hamas and Palestinian Islamic Jihad fighters. Last ...