Astronomers have stumbled onto a structure so vast and so oddly shaped that it threatens to upend one of cosmology’s most cherished assumptions about how the universe is built. The “Big Ring,” a ...

A former Harvard physicist is drawing global attention with a claim that sounds more like theology than astrophysics: he says ...

At 3.3 billion light-years across, the ring may challenge the “cosmological principle” that the universe looks uniform at sufficiently large scales.

A former Harvard physics professor argues that established cosmological theory places Heaven beyond the observable universe, ...

Imagine staring into a hall of mirrors at a Sheesh Mahal, where every reflection bounces endlessly, making it hard to tell ...

Astronomers have confirmed the earliest barred spiral galaxy in the universe, a Milky-Way-like structure that existed just 2 ...

The James Webb Space Telescope may have helped solve a mystery it uncovered in 2022 – mysterious 'little red dots.' ...

Dark matter, the invisible substance that shapes the Universe, may have had a far more dramatic beginning than scientists once believed.

Three billion years after the Big Bang, a massive galaxy already looked like it had run out of time. It spun in a calm, ...

Is our universe the first? Nobel laureate Roger Penrose believes there was another universe before ours, and our beginning was the end of another. While his theory has been dismissed, people have ...

By studying how light from eight distant quasars is gravitationally lensed as it propagates towards Earth, astronomers have ...