Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have found compelling evidence of a dark matter-deficient dwarf galaxy, FCC 224. This ultra-diffuse galaxy is located on the ...

Astronomers may have uncovered a hidden population of galaxies that could rewrite what we know about the universe's evolution ...

The James Webb Space Telescope has captured imagery of spiral galaxy NGC 7469, which is 90,000 light-years in diameter. The galaxy is "roughly 220 million light-years from Earth in the constellation ...