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

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 ...

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

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

If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety ... variables that he identified in our galaxy were the first rung.

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

Gaia, the European Space Agency’s observatory that is mapping the Milky Way, has completed the sky-scanning phase of its ...

Cepheid variables that he identified in our galaxy were the first ... Shapley determined that the Milky Way was 300,000 light years across, and that our solar system was 50,000 light-years from ...

The stunning red image of Tarantula Nebula was captured by NASA's Hubble Telescope. It is a star-forming region in the Large Magellanic Cloud (LMC) galaxy. This 100 million-year-old globular cluster ...

The European Space Agency's Milky Way-mapping space mission Gaia, which involves UCL researchers, has completed its ...

To put the wind speeds into perspective, the fastest winds ever observed in our solar system are on Neptune, at a speed of ...

The ESA says Gaia has been mapping the positions, distances, movements, brightness changes, composition of stars in the Milky ...