Space.com8hOpinion
'Heavy' dark matter would rip our understanding of the universe apart, new research suggests
Because we haven't found anything yet, we've started to wonder if dark matter might be lighter or heavier than we thought.
Space.com9h
3D structure of iconic Ring Nebula gives 'a brand new view of an old astronomical friend'
In addition to helping the researchers nail down the nebula's ellipsoidal structure, the 3D model also confirmed that the ...