The cosmos began expanding with the Big Bang but then around 10 billion years later it strangely began to accelerate thanks ...

The rest of the universe appears to be made of a mysterious, invisible substance called dark matter (25 percent) and a force that repels gravity known as dark energy (70 percent). Scientists have ...

Dark energy does not exist, some scientists have claimed – which could help get rid of one of the universe’s biggest mysteries. For a century, scientists have thought that the universe was ...

The universe can get on fine without dark energy. Real functional physics isn’t dependent on “dark” anything. That was also ...

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. Astronomers know that the universe is being pushed apart at an ...

Much remains unknown, such as the true nature of the dark matter that dominates gravity inside galaxies and the dark energy that drives the universe ... differences in power across the sky ...

Dark energy is one of the greatest mysteries of the universe. This mysterious force is thought to be accelerating the expansion of the cosmos. But a new study challenges this long-held belief.

After almost a century of speculation, proposals and searches for dark matter, physicists now know that it currently comprises about 27% of the ... using the 21-cm power spectrum at z > 10." ...

Dark energy, long thought to drive the accelerating of the expansion of the universe, may not exist, according to a groundbreaking study. The research, based on enhanced light-curve analysis of ...

Dark energy is a mysterious force making the universe fly apart faster and faster. Its discovery came from one of the most unexpected results in the history of astronomy: in the late 1990s ...