New research suggests that the Milky Way may host more satellite galaxies than previously predicted, thanks to advanced ...

There may be many more satellite galaxies in the Milky Way than have been observed, according to new Durham University ...

Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

This evening’s viewing challenge is the planet Mercury. It is less than half a fist above the west-northwestern horizon at ...

“Dark matter interacts gravitationally, so it could be captured by stars and accumulate inside them. If that happens, it might also interact with itself and annihilate, releasing energy that heats the ...