A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda ...

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

"Once you do, it's just spectacular," said Aileen O'Donoghue, astronomer with St. Lawrence University and the Adirondack Sky ...

A massive, spacetime-warping cluster of galaxies is the setting of today's NASA/ESA Hubble Space Telescope image. The galaxy ...

Astrotourism is coming to Canada, thanks to an ambitious plan for a chain of six dark-sky sites along 100 miles of the ...

The Adirondack region is taking steps to preserve its dark night skies, with a proposed bill aiming to reduce light pollution ...

If city lights block the stars over your backyard, this map can help you hunt down the darkest skies for epic stargazing.

It's the so-called "Milky Way season" in the Northern Hemisphere. Here's everything you need to know about viewing the galaxy ...

That includes states at or above the red view line on the map below. If you live along or near where the red view line reaches, you may only see the northern lights on the northern horizon.