New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

In A Nutshell New theoretical models predict “dark dwarfs” — objects powered by dark matter annihilation. These cosmic bodies ...

The IceCube neutrino detector has allowed researchers to resolve a debate about what types of particles make up ...

The NASA/ESA Hubble Space Telescope has unveiled a stunning image of the Abell 209 galaxy cluster, located 2.8 billion light-years away in the constellation Cetus. This massive cluster, comprising ...