In 1916, Albert Einstein discovered that his theory of general relativity predicted the existence of gravitational waves — ...

The Concept of a Mirror Universe A universe that flows backward in time sounds more like science fiction than a scientific ...

A theory holds that dark matter could be involved in a mirror universe and that runs backwards before the Big Bang.

For decades the Big Bang defined how we think about the origin of everything. The Eternal Universe theory now challenges that ...

Modern cosmology has precisely measured the universe's properties, yet dark matter and dark energy remain profound mysteries.

A: That is indeed Walton Goggins in ads for Walmart. And his credits go far beyond “Django Unchained.” He was fantastic in ...

An international team of researchers has announced a significant advancement in gravitational-wave astronomy, with the detection of 128 new cosmic collisions involving black holes and neutron stars.

This theory might have the perfect explanation for Stan Lee's confusing cameo in 2017's Guardians of the Galaxy Vol. 2.

A survey of Scientific American’s century of quantum coverage helps explain the enduring popularity of strange physics ...

Arguably the most highly anticipated upcoming Marvel movie is Avengers: Doomsday, which will feature Robert Downey Jr. as Doctor Doom. It looks like Chris Hemsworth might have wrapped his role in the ...

A recent resurgence of interest in a bold cosmological theory has reignited debate about the nature of dark matter, the Big ...

According to the fan's theory, this alternate universe version of events reveals that Tony Stark was never raised by Howard ...