Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

That cosmologists cannot agree on one of the most elementary facts about the universe is striking enough. But that uncertainty produces others, too: it makes it impossible to calculate an exact age ...

The universe has many secrets we'll never discover, and the domain wall is one of them. I The expansion is ongoing, and it ...

The universe is expanding, and while that fact is fascinating, it also creates a question that trips people up: if […] ...

Mathematical quirks of our universe have led some cosmologists wonder whether the cosmos was actually born in a black hole.

You can journey to the ends of the earth in search of success,” 19th-century Baptist preacher Russell Conwell is said to have ...

DESI observations suggest black holes may generate dark energy by consuming stellar matter. The idea resolves puzzles about neutrino mass and cosmic expansion. These are remarkable times for probing ...

How fast is the universe expanding? This is what a recent study published in The Astrophysical Journal hopes to address as a team of scientists investigated to see if what’s known as the Standard ...

A new Utah Valley University study is providing new evidence in a debate astronomers across the world haven’t been able to agree on — how fast the universe is expanding. The findings may add more fuel ...