New observations suggest that the universe’s oldest galaxies are brighter than expected. Here's why this may be a big deal.

A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.

The Arecibo Message as it appears when its 1,679 bits are properly aligned on a grid (left), an annotated illustration ...

Two massive galaxies are bending light from the same distant quasar, creating a so-called Einstein zigzag lens that could ...

Alexander Lenz argues that the charm quark is an experimental and theoretical enigma that has the potential to shed light on ...

What connects quantum mechanics and relativity? Discover how Heisenberg's Uncertainty Principle fits into the larger puzzle ...

For spinning spheres, centrifugal force is maximized at the equator, where the rotational speed is highest. The amount of the ...

The crushing defeat of the dismal Democratic Party (DDP) by the fascist Republican Party (FRP) across the two elected ...