Do "completely dark" dark matter halos exist?
San Diego CA (SPX) Apr 14, 2025
Every galaxy is thought to form at the center of a dark matter halo - a region of gravitationally bound matter that extends far beyond the visible boundaries of a galaxy. Stars are formed when gravi ... more
Research reveals tidal forces disrupting nearby dwarf galaxy
Tokyo, Japan (SPX) Apr 14, 2025
New research led by Satoya Nakano and Kengo Tachihara at Nagoya University has uncovered compelling evidence that the Small Magellanic Cloud (SMC), one of the Milky Way's closest galactic neighbors, ... more
Half of the universe's hydrogen gas, long unaccounted for, has been found
Berkeley CA (SPX) Apr 16, 2025
Astronomers tallying up all the normal matter - stars, galaxies and gas - in the universe today have come up embarrassingly short of the total matter produced in the Big Bang 13.6 billion years ago. ... more