Why it's so special: This image of a spiral galaxy taken by the Hubble Space Telescope is a portrait more than two decades in the making. Like most full-color images of space objects, it's a ...

The unobstructed skies that gave Big Sky, Montana its name made for an appropriate setting for the release of two postage ...

The United States Postal Service has issued two new stamps featuring stellar images beamed back to Earth by the James Webb ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Spiral galaxies are the most common form of galaxies.” Greg Breeding, an art director for the USPS, designed the stamp with an image from NASA, the European Space Agency, the Canadian Space Agency, ...

New U.S. Postal Service stamps released last week feature images captured by NASA's James Webb Space Telescope.

But astronomers scrutinizing this particular Hubble image found the central galaxy actually sports a swirl of spiral arms seemingly unruffled by any such merger, raising new questions about what ...

so intricately structured that it can only belong to the most spectacular category of galaxies: the grand design spiral. The galaxy's name is Zhúlóng, after the Torch Dragon of Chinese myth, and its ...

"It's extremely rare and exciting to find a quasar-hosting galaxy with spiral arms and a black hole that is more than 400 million times the mass of the Sun -- which is pretty big -- plus young ...

The U.S. Postal Service launched two new Priority Mail and Priority Mail Express stamps today at the Big Sky, Montana, Post ...