Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

By studying what makes the Milky Way unique, astronomers are hoping to understand our galaxy’s past and unravel the mystery ...

A previously unexplored globular cluster glitters with multicolored stars in this NASA Hubble Space Telescope image. Globular ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor.

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Take a deep breath: the universe is not just big it’s mind-bogglingly, practically scandalously huge. And it’s growing. A ...

Astronomers have found a new way of accurately mapping the outer gas disk of the Milky Way using the positions of young stars ...

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

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

Highlighting 10 major astronomical milestones of the past century in celebration of the Royal Greenwich Observatory’s 350th ...

The bright core of the Milky Way — the biggest and best sight at night — becomes visible in June in the Northern Hemisphere. Here's where to see it with the naked eye.

COZMIC clones of the Milky Way Each COZMIC (COZMIC I, COZMIC II, and COZMIC III) run starts with the same early‑ universe snapshot but tweaks the way invisible particles behave. Instead of a single ...