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

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 ...

At just over 20,000 mph, experts say they're the fastest of their kind on any known planet. Find out more here.

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

Our solar system resides in a galaxy called the Milky Way, stuffed with between 100 billion and 400 billion other stars, many of them with planets of their own. The Milky Way got its name from the ...

Where is our solar system in the vast assemblage of celestial objects in this island Universe we call the Milky Way? To answer that question, we can begin with the beautiful configuration of stars we ...

It looks at how streams of interstellar bodies might escape a solar system and how they would then move through the Milky Way. While it is always possible for a random asteroid or comet to have a ...

A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

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

Astronomers have discovered two strange objects that could be young stars — except they're completely surrounded by ice.