Black holes and dark matter—are they one and the same?

Primordial black holes created in the first instants after the Big Bang—tiny ones smaller than the head of a pin and supermassive ones covering billions of miles—may account for all of the dark matter in the universe.

Did black holes form immediately after the Big Bang?

How did supermassive black holes form? What is dark matter? In an alternative model for how the universe came to be, as compared to the 'textbook' history of the universe, a team of astronomers propose that both of these ...

From primordial black holes new clues to dark matter

Primordial black holes (PBHs) are objects that formed just fractions of a second after the Big Bang, considered by many researchers among the principal candidates in explaining the nature of dark matter, above all following ...

'Green peas' provide clues to the early days of the universe

It is probable that primordial galaxies triggered the period in the history of the universe known as "cosmic reionization." The Geneva-based astronomer Anne Verhamme has succeeded in demonstrating this by studying green pea ...

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