This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between ...

On 23 June 2025, the world will get a look at the first images from one of the most powerful telescopes ever built: the Vera ...

At the very darkest sites on Earth, far removed from humanity’s wasted sky-directed light, that background can be as dim as 22 mag/arcsec 2. I’d love to have a moonless night with my ...

Vibrant hues of green, pink, and purple danced across the night sky over New Hampshire on Monday night as a strong ...