There might be another universe, exactly like our own — except that it’s a perfect mirror image. Physicist Leah Broussard is “on the hunt for a universe that is identical to our own, but flipped so ...

Astronomers have lost thousands of comets. An Australian physicist thinks they may still be there, just invisible and some of them potentially on a collision course with Earth. University of Melbourne ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

The universe’s funhouse mirrors are revealing a difference between how dark matter behaves in theory and how it appears to act in reality. Dark matter is the invisible glue that keeps stars bound ...

Michael Brooks's fascinating article on the concept of mirror matter presents it as a candidate for dark matter (8 June, p 34). That offers a natural explanation for the 80 per cent of the universe ...

The universe may be filled with "mirror" particles — and these otherwise-undetectable particles could be shrinking the densest stars in the universe, turning them into black holes, a new study ...

There may be an invisible universe of stars, nebulas and galaxies made up entirely of dark matter. And astronomers now know how to look for it. To put it simply, dark matter is a mystery. Astronomers ...

An anti-universe running backwards in time could explain dark matter and cosmic inflation. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A wild ...

Stuart Clark may be looking for dark matter under the wrong name (7 January, p 30). The idea that the universe contains a complete but invisible copy of ordinary matter dates back to 1957, when ...