A strange, never-before-seen glow in the halo of our galaxy may be the strongest dark-matter breadcrumb yet. A new analysis of 15 years' worth of data from the Fermi Gamma-Ray Space Telescope reveals ...

A halo of gamma-rays detected by the Fermi Space Telescope matches what would be expected if particles with masses around 500 times that of the proton are being annihilated near the Milky Way’s ...

It's not easy spotting these stars in the halo. The stellar halo is the visible part of the galactic halo, and is a complicated region made up of substructures like the remnants of smaller galaxies ...

A researcher identified gamma ray emissions that appear to have originated from dark matter, but other physicists still aren’t convinced. Reading time 4 minutes Astronomers have spent nearly a century ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

In general, planetary nebulae (PNe) are expanding shells of gas and dust that have been ejected from a star during the process of its evolution from a main sequence star into a red giant or white ...