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

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 ...

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

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

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 ...

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.

Venus, Jupiter, Mars, Saturn, Neptune and Uranus — are likely to align in the night sky by the end of January, according to ...