"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure of the universe." When you purchase through links on our site, we may earn ...

For years, we’ve believed that the universe is a vast, uniform expanse, with the same properties stretching across the cosmos ...

We dream about travelling to distant stars, colonising alien worlds, and spreading humanity across the galaxy. It’s the stuff ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...