So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 ...

However, it is now considered a dwarf planet instead. The universe has billions of galaxies, and our solar system is in the Milky Way Galaxy. The Milky Way contains at least 100 billion other ...

Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 questions below. Remember to log in to put your name on the leaderboard and ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

universe field rotation on deep outer space sky 4k Fly Through Solar System A journey through space, starting with flying through star fields and nebulas, revealing a spinning Milky Way galaxy, then ...