Did primordial black holes born during the Big Bang swallow the universe's antimatter, allowing matter to dominate the cosmos?

The research could shed light on how black holes vomit out matter and how this influences their home galaxies.

Despite years of debate and follow-up studies, an odd streak of cosmic light still defies a final explanation. Is it a giant ...

An illustration of two stellar-mass black holes merging in the accretion disk of an active galactic nucleus. (Shu-Rui Zhang) ...

University of Oregon astronomer Yvette Cendes made a surprising discovery years after a black hole shredded a star. What is "Jetty McJetface"?

A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught ...

Using the James Webb Space Telescope, an international team of researchers has discovered chemical fingerprints from enormous ...

An international team from China and Italy has reported a possible cosmic encore to the landmark 2017 multi-messenger ...

Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the ...

A breakthrough in the cosmic caper came in 2023, when a team of researchers led by Anna de Graaff, a Clay Fellow at the ...

A new image from the European Southern Observatory reveals a gas cloud orbiting the Milky Way’s central black hole, offering ...

Astronomers propose that an ultra-dense clump of exotic dark matter could be masquerading as the powerful object thought to anchor our galaxy, explaining both the blistering speeds of stars near the ...