Our Milky Way could have many more satellite galaxies than we've detected so far. They're just too faint to be seen.

For years, scientists have predicted that in about 3.75 billion years, our Milky Way galaxy would collide with its massive neighbor, the Andromeda galaxy. This cataclysmic event was thought to be a ...

The Andromeda Galaxy (M31) is one of the most fascinating objects in our night sky and is located relatively close to the Milky Way, making it an important focus for astronomers. This spiral galaxy, ...

The annual competition for professional and amateur astrophotographers released its shortlisted images, which capture the ...

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a ...

Researchers may have found our galaxy's missing companions, further bolstering science's most widely accepted cosmological ...

Astronomy Update is provided by the Chippewa Valley Astronomical Society and is compiled by Dr. Lauren Likkel.

Hubble’s crystal-clear look at NGC 1786—an ancient globular cluster tucked inside the Large Magellanic Cloud—pulls us 160,000 ...

NGC 1786’s mixed-age stars suggest globular clusters aren’t one-generation wonders, offering fresh clues to galaxy formation far beyond the Milky Way.

The Dreck Equation reveals the hidden layers of federal regulation—guidance, grants, contracts, antitrust, PPPs, IoT ...