The universe’s expansion rate was supposed to be a solved problem, yet the latest high precision map of the early cosmos has ...

The universe is expanding, but astronomers still cannot agree on exactly how fast. That mismatch, known as the Hubble tension ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

Welcome to the latest astronomy space news for December 1, 2025! This month, we’re looking at how galaxies grow, what the ...

This celestial portrait captures the galaxy in remarkable new detail, marking over two decades since Hubble first observed it. Located in the constellation Leo, spiral galaxy NGC 3370 has long been a ...