A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society ...

Astrophotographers use sophisticated imaging technology to take and edit photographs that bring us the cosmos with startling ...

Astronomers completed a 10-year project to assemble a complete portrait of the Andromeda galaxy. The result is a detailed panoramic image, the most comprehensive view of the galaxy ever captured.

Our night sky is a thrilling window into the cosmos – and learning what’s up there doesn’t have to be complicated ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

The stars in the sky always felt like home to me, and I could see them when I went out at night or when I closed my eyes. These stars were not just white lights, they were brightly coloured - reds, ...

We’re lucky here on Guam. The Milky Way is a sight denied to most of the Earth’s people. The light pollution from Earth’s ...

The result is an impressive panorama, revealing approximately 200 million stars and extending six times the apparent diameter ...

By now you’ve likely either heard or maybe caught a glimpse of a rare astronomical phenomenon known as a “planetary parade.” ...

Panorama of Nearest Galaxy Unveils Hundreds of Millions of Stars On a crisp, clear autumn night, you can see the most distant object visible to the naked eye — the stunning Andromeda Galaxy, our Milky ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...