Kavli IPMU researchers are part of an international team that has found dark matter dominating the halos of two supermassive ...

An international team of researchers has found dark matter dominating the halos of two supermassive black holes in galaxies ...

Scientists are keen to get to the bottom of the dark matter puzzle because this phenomenon accounts for the vast majority of the "stuff" in the universe — about 85%, in fact. That means everything we ...

This puzzling result makes sense if one assumes that the boundary stars are feeling the gravitational effects of an unseen mass—dark matter—in a halo around the galaxy. Dark matter could also ...

According to the study, CGG-z4 has a stellar mass of about 100 billion solar masses, while its dark matter halo mass is estimated to be over one trillion solar masses. The group has a total star ...

Another possibility is that dark matter is not WIMPs, but MACHOs. These Massive Astrophysical Compact Halo Objects are large bodies made of ordinary matter put together in unexpected ways that ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Robert Lea (created with Canva) A perplexing "break" in a stream of stars around the ...

6, 2025 — Physicists have proposed a solution to a long-standing puzzle surrounding the GD-1 stellar stream, one of the most well-studied streams within the galactic halo of the Milky ...