If dark energy is weakening, as suggested by recent results, then the cosmos is far stranger than most physicists had ...

Shocking’ results from a major astronomical study have raised doubts about the standard model of cosmology, forcing ...

Astronomers have made an intriguing discovery that could upend everything we know about the structure of the universe and its ...

If dark energy ebbs with time, which now seems plausible, the universe could one day stop expanding and then eventually ...

Major survey results now hint that dark energy has evolved across cosmic history, raising questions about the standard model ...

When cosmologists used different ways to measure the value of sigma 8, a number that denotes how clumpy the universe is, they ...

What is the other 95 percent? Dark Universe examines the invisible dark matter underlying galaxies that, together with dark energy, accounts for that other 95 percent of the universe’s ...

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...