Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their results match “local” measurements but clash with early-universe estimates, ...

Cosmic voids may seem like the emptiest places in the universe, stripped of matter, radiation, and even dark matter. But they’re far from nothing. Even in these vast empty regions, the fundamental ...

Construction has begun on a new telescope designed to map one of the universe’s most elusive structures, the cosmic web. The instrument, called MOTHRA, aims to detect faint gas that stretches between ...

Make way for MOTHRA, the world’s largest all-lens telescope, which intends to detect some of the faintest light in the universe. Co-created by Yale astronomer Pieter van Dokkum and University of ...

We may finally know what first lit up the cosmic dawn in the early Universe. According to data from the Hubble and James Webb Space Telescopes, the origins of the free-flying photons in the early ...