A stronomers using the Very Large Telescope at the European Southern Observatory in Chile have imaged a filament of the ...

Our current cosmological model—known as lambda cold dark matter, or ΛCDM—relies on hypothesized dark energy to explain the accelerating expansion of the universe. However, one competing ...

"Cold dark matter sub-halos typically lack the density needed to produce the distinctive features observed in the GD-1 stream,” Yu explained. The "cold" prefix in this case refers to dark matter ...

But the density of the object needs to be much higher than that of traditional cold dark matter (CDM) subhalos. "CDM subhalos typically lack the density needed to produce the distinctive features ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A perplexing "break" in a stream of stars around the Milky Way could be the result of dark matter ...

"It marks an exciting step forward in our understanding of dark matter and the dynamics of the Milky Way." A perplexing "break" in a stream of stars around the Milky Way could be the result of ...