One question, for instance, might be why can't we walk through walls? Atoms, which are the building blocks of matter, are ...

Astrophysicists develop a new tactic that uses galaxy clusters a sort of natural particle accelerator in the hunt for dark ...

A recent resurgence of interest in a bold cosmological theory has reignited debate about the nature of dark matter, the Big Bang, and the possible existence of a mirror universe. Originally proposed ...

The breakthrough was developed at CU Denver and rigorously tested at the SLAC National Accelerator Laboratory, operated by ...

Physicists from the University of Copenhagen have begun using the gigantic magnetic fields of galaxy clusters to observe ...

A “dark mirror” universe sounds like a Star Trek plot point filled with fascistic first officers and facial hair, but the idea is actually a newly-proposed theory that could help explain the ...