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

This vivid new image captured by the Hubble Space Telescope showcases the asymmetric spiral galaxy Messier 96, revealing its shining pink rings of newborn stars and the dramatic impact of cosmic ...

On a map, Geneva Lake looks like any other of the many large lakes in the Midwest. But the minute you get to the lakeshore and look around, it’s clear that it’s different from the usual ...

Einstein’s version of dark energy is known as the cosmological constant. It implies a fixed amount of dark energy in each ...

In 1925, astronomer Edwin Hubble identified a Cepheid variable star, known as V1, in the Andromeda galaxy, then considered a nebula. This observation, made using the 100-inch Hooker Telescope at Mount ...

Wisconsin's historic Yerkes Observatory reveals a place where Edwin Hubble, Carl Sagan, and many pioneering women of astronomy once explored the cosmos.

Astronomers have long sorted galaxies into types based on their visible structure. Spiral galaxies, like our Milky Way, have ...

Anyone hungry for the icy crunch of a Pluto -like body? No? Well, one nearby white dwarf is going all in on a Pluto-esque ...

The Hubble Space Telescope was more than an observatory — it was a revolution. This documentary reveals how it transformed our understanding of the universe.

This NASA/ESA Hubble Space Telescope image features a galaxy that's hard to categorize. The galaxy in question is NGC 2775, ...

The James Webb Space Telescope has uncovered dazzling newborn stars and thick cosmic dust in Sagittarius B2, the Milky Way's ...

The Habitable Worlds Observatory is poised to tell us whether Earth-like planets are common—if it can get off the ground ...