Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

A new view of the Milky Way: Warped and twisted Our galaxy, the Milky Way, is "warped and twisted" and not flat as previously thought, new research shows. Analysis of the brightest stars in the ...

Scientists have found the beginnings of a young universe that may offer insights into the beginnings of our own Milky Way Galaxy. Geoff Bennett and Miles O'Brien discussed why scientists are ...

That's the Andromeda galaxy, our closest galactic neighbor, and in 4 billion years, it will collide with the Milky Way, throwing our solar system away from our own galactic core and reshaping the ...

The Milky Way is our home galaxy home to 100-400 billion stars (no one is quite sure how many). It’s a spiral galaxy estimated to be about 13.6 billion years old. It's 100,000 light-years across.

By reconstructing stellar orbits using real Milky Way stars with accurately determined parameters, the team quantified the galaxy's mass-weighted chemical abundances and age structure. This ...

The galaxy is estimated to have formed 100-400 million years before its evolutionary stage that was observed by Webb, the most capable space telescope ever deployed. "The Milky Way began forming ...