Tag Archives: everyday matter

Missing Milky Way black holes are bad news for this dark matter theory

Scientists have discovered that the Milky Way’s diffuse outer halo is devoid of any unusually large black holes. The discovery could spell bad news for theories that suggest dark matter, the universe’s most mysterious “stuff,” is composed of primordial black holes that formed in the early moments after the Big Bang. Dark matter is confusing… Read More »

Are the voids in the Andromeda galaxy filled with dark matter? This NASA telescope can find out

Images created by NASA’s upcoming Nancy Grace Roman Space Telescope could allow scientists to search for dark matter among stars. An international team of researchers believes that gaps in strings of stars hanging from tightly packed balls of ancient stellar bodies, called globular clusters, may be affected by clumps of dark matter. So far astronomers… Read More »