According to the model, dark matter may have started as particles that were hot, light, massless, and fast. As the universe ...

We have not been able to detect dark matter yet, even though there are many aspects of the universe that suggest the existence of invisible matter. In one new theory, it is possible that dark matter ...

To date, the formation of cosmic structures and the nature of dark energy and dark matter, two essential components of the ...

Astronomy is, in essence, an exercise in inference. We cannot touch the stars, nor scoop up galaxies in a lab. Instead, we ...

Galaxy rotation curves have been confounding astronomers for decades. Stars on the peripheries of galaxies rotate faster than visible matter can account for.

Astronomer Vera Rubin, now honored on a U.S. quarter, transformed our understanding of the universe by uncovering powerful evidence of dark matter. Her groundbreaking work revealed that most of the ...

We obviously can’t put the universe on a giant set of scales, but scientists have found astonishingly clever ways to […] ...

Astronomers have discovered "dust-shrouded supermassive black holes" in the early universe, less than 1 billion years after the Big Bang—a type of object that had previously escaped detection. An ...

"The Seven Wonders of the Ancient World" is the first known list of the most remarkable creations of classical antiquity; it was based on guidebooks popular among Hellenic sightseers and only includes ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...