A discovery of binary stars could be the first step in building a more complete picture of how our galaxy formed, according ...

Doesn’t seem like much of a brainteaser, does it? Everyone knows the sky darkens at night because the sun sets … or more accurately, because our part of planet Earth rotates away from the sun, and ...

The Vera C. Rubin Observatory has begun its decade-long survey to scan the entire night sky every three days. To do this, it ...

Even before the first stars lit up the Universe, the Cosmos was not the cold place most researchers once imagined. New ...

Discovery: An international team has discovered a dark object in the distant universe that has one million times the mass of ...

Greetings stargazers. The night sky is changing. I am not talking about stars disappearing because of light pollution, even thought that is certainly an issue, but I am thinking of all the ways the ...

"It's an elegant answer, really, because we thought it was a tiny galaxy full of many separate cold stars, but it's actually, ...

Sirius, also called the Dog Star, is the brightest star in Earth's night sky. Shining more brilliantly than any other star visible from Earth (excluding our sun, of course), Sirius is outshone only by ...

While six of the stars in this cluster are typically visible to the naked eye, there are more than 1,000 in the group. The Triangulum Galaxy rises high—October 15 See the Triangulum Galaxy, one of our ...

They say big cities never sleep, but what they don’t say is that their skies don’t either. Saturated in the dull hum of neon ...

The Galaxy Night Light by Orzorz is an impressive star projector featuring five detailed slides, numerous timer and rotation options, and, unlike some projectors on this list, a rechargeable battery.