Astronomers have long been puzzled by a missing piece of the universe. While we are familiar with the ordinary matter that makes up everything we see—planets, stars, and galaxies—there’s always been a ...

Two fresh ideas are giving scientists new ways to think about how the universe’s hidden mass came to be. Together, they paint ...

The new measurement from LHCb has found differences between baryons and antibaryons, which are made of three quarks and three ...

Bold new theories on "mirror worlds" and how dark matter may have formed - from black hole relics to quantum horizons.

The regular matter that makes us, planets, stars, and galaxies is about 5 percent of the matter-energy content of the universe. The rest is made of dark matter and dark energy, though we are not ...

Two recent studies by Professor Stefano Profumo at the University of California, Santa Cruz, propose theories that attempt to ...

Two new theories propose dark matter either formed in a “mirror” universe or emerged from the cosmic horizon’s quantum ...

In the first one, Profumo focuses on the possibility of dark matter as a consequence of the expansion of the universe. The ...

CNN quotes William H. Kinney in an article about how astronomers are using mysterious fast radio bursts, or millisecond-long bright flashes of radio waves from space, to help them track down some of ...

Two recent studies speculate a natural emergence of the mysterious substance, offering ‘self-contained and calculable ...

The new measurement from LHCb has found differences between baryons and antibaryons, which are made of three quarks and three antiquarks respectively. Significantly, baryons make up most of the known ...