About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized explosion but a simultaneous ...

A discovery of binary stars could be the first step in building a more complete picture of how our galaxy formed, according ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

For centuries, humans have looked to the stars and wondered about the universe’s vastness, shape, and structure. One question that has long persisted is the concept of the center of the universe. Is ...

Why Sagittarius B2 produces so many stars in comparison to the rest of the galactic center has remained an enduring mystery ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole ...

The James Webb Space Telescope (JWST) continues to deliver awe-inspiring views of the cosmos and the art world has taken ...

Astronomers using the James Webb Space Telescope may have found the universe’s first “dark stars.” Within the first few hundred million years after the Big Bang, the universe’s earliest stars took ...

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...