Dennis Mammana Stargazers We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to comprehend sizes and ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

Giant Molecular Cloud Discovered in Milky Way Galaxy Baffles Experts A massive discovery from the Milky Way Galaxy can ...

This portrait from the NASA/ESA Hubble Space Telescope puts the nearby galaxy NGC 4449 in the spotlight. The galaxy is ...

COZMIC simulator crafted detailed models of the Milky Way to investigate dark matter and how the universe might behave under ...

In orbit around the Milky Way are a number of dwarf galaxies, including the Small and Large Magellanic Clouds and the Triangulum galaxy (M33) — the latter half the size of our Milky Way and the ...

The Andromeda galaxy is about 200,000 light-years across, or roughly twice the size of the Milky Way. (Supplied: NASA/JPL-Caltech) In 1913, US astronomer Vesto Slipher discovered Andromeda was ...

“Most of the Milky Way satellites have very ancient star populations. They stopped forming stars about 10 billion years ago,” said Marco Arias, the lead author of the study, in the same release.