What would have been the story of the Universe if there was no mechanism to produce massive fundamental baryonic particles?
106384
What would the universe be like if Electroweak symmetry were unbroken?
130124
Is it possible to learn about an event that occurred outside of your observable universe?
94043
Can there be Electron and/or Proton Stars?
35463
How come the universe is made of matter and not antimatter?
6486
Why isn't dark matter just ordinary matter?
52558
Where do ultra-high-energy cosmic rays come from?
70682
Mechanism of pair production and annihilation of matter
135584
Was the singularity at Big Bang perfectly uniform and if so, why did the universe lose its uniformity?
74654
Could we use particle colliders as fusion generators?
73754
Why do we think there are only three generations of fundamental particles?
61120
Why don't we have a theory of everything?
103492
If the Big Bang started in a state of low entropy then shouldn't the Big Crunch be in a state of low entropy also?
4276
Did the Big Bang happen at a point?
114290
Is it possible to have a singularity with zero mass?
457
Could Dark Matter form black hole?
74958
Dark age of universe when all fusion process ceases?
82441
Physical laws prior the big bang (quantum fluctuations)