Dark energy is one of the greatest mysteries in modern physics, comprising nearly 70% of the universe and causing its ...

A dark matter signal that appears in one place but not another might look like a contradiction. This new study argues it may ...

An international collaboration of astronomers has produced one of the most precise measurements yet of how fast the local Universe is expanding. The ...

The lack of convergence between quantum laws and gravitation remains a persistent problem in physics. A recent advance, ...

The first method involves direct distance measurements from nearby stars and galaxies. In contrast, the second looks further ...

Artist’s interpretation of the cosmic distance ladder — a succession of overlapping methods used to measure distances across the Universe, where each rung of the ladder provides information that can ...

A community-built distance network sharpens the Hubble constant and broadens the evidence behind the “Hubble tension.” ...