A proposed cosmology model argues that the universe may contain ordinary matter alone, without dark matter or dark energy.

Chrysi Malouchou Kanellopoulou reviews The Random Universe: How Models and Probability Help us Make Sense of the Cosmos by Andrew H Jaffe All scientific inquiry involves some kind of uncertainty, but ...

Some black holes roaming the Universe today may actually be older than the Big Bang. A new cosmic “bounce” model suggests the ...

This video explores one of the hardest questions in cosmology: what, if anything, existed before time began. But the deeper ...

The notion of a static universe wasn't always fringe. Albert Einstein himself first applied general relativity to a static ...

The cosmological principle is the foundation of modern cosmology – but its usefulness doesn’t necessarily make it true, says columnist Leah Crane ...

Dark matter particles may exert a hidden force on one another, but its effects are stranger than expected. An extra ...

The DESI Legacy Imaging Surveys have released the largest-ever 2D color map of the universe — a 5.6-trillion-pixel image.

Astronomers have released the largest two-dimensional map of the universe ever created, offering a sweeping new view of nearly 4 billion celestial objects across roughly three-quarters of the sky.

The age of the Universe is usually presented as a simple number: about 13.8 billion years. It sounds settled, almost tidy.

An analysis of supernovae argues that the universe’s expansion is not speeding up, so there is no need for dark energy to exist to explain it ...

A bound galaxy protocluster with hot, X-ray-emitting gas has been found just one billion years after the Big Bang.