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

Floating high above Earth's atmosphere, the Hubble Space Telescope has captured some of the most breathtaking images ever ...

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

The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing in the night sky, larger than a full moon. Textbooks claim it’s visible to the naked eye. Most of us have never noticed it. Too ...

More than a century ago, in a quiet corner of the Harvard College Observatory, a woman sat for hours examining tiny specks on glass photographic plates. These dots, captured from the night sky, would ...

The Hubble Space Telescope has glimpsed the most distant single star it's ever observed, glimmering 28 billion light-years away. And the star could be between 50 to 500 times more massive than our sun ...

CAPE CANAVERAL, Fla. — The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star. NASA and the European Space Agency released the ...

NASA's Hubble Space Telescope has gotten an up-close look at a headline-grabbing object known as 3I/ATLAS that has recently wandered into Earth's cosmic neighborhood from far away. The image, which ...

CAPE CANAVERAL, Fla. — The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star. NASA and the European Space Agency released the ...