A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

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

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the ...

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

Shapley determined that the Milky Way was 300,000 light years across, and that our solar system was 50,000 light-years from ...

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 ...

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

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 trillion observations of about 2 billion stars and other objects over the ...

Hubble Space Telescope captured a stunning red image of the Tarantula Nebula. it is a star-forming region in the Large ...

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