Recent discoveries in cosmology have left scientists scratching their heads, as they challenge our fundamental understanding of physics. The universe’s expansion rate, the balance between matter and ...

Different parts of the universe could have different rates of expansion, potentially explaining the perpelexing "Hubble tension." When you purchase through links on our site, we may earn an affiliate ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead suggesting giant voids in space are creating an illusion. When you purchase ...

Physicists have created a one dimensional gas out of light particles for the first time. Studying how the photon gas behaves could help researchers discover some yet-unknown quantum optical effects.