Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

The centers of galaxy clusters contain the universe’s most massive ... Astronomers have an idea what it is Supermassive black ...

According to a provocative new study, that might just be our cosmic address. This idea is meant to solve one of the biggest ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

At cosmological scales, Albert Einstein’s theory of general relativity has given scientists an immensely accurate blueprint ...

The Helix Galaxy, located 42 million light years away, is an unusual object as it is both a polar ring and a lenticular ...

New research is shedding light on what researchers call "lite" intermediate-mass black holes, which are smaller, but still ...

The James Webb Space Telescope has discovered a rare 'Cosmic Owl' structure, formed by two colliding ring galaxies, approximately 11 billion light-years away.

Are we living in a cosmic void? New theory suggests our galaxy sits in a giant hole warping the universe's expansion.

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...