Replicating The Start Of The Universe — At 4 Trillion Degrees

Now we know how hot things got when the universe was born. We've taken the temperature of a substance that only existed when time first began. It's an ultrahot, 4-trillion degree "soup" of subatomic particles made from gold. » 2/17/10 4:00pm 2/17/10 4:00pm

Our Universe May Have Been Recycled from an Earlier Universe

Most cosmologists believe that our universe emerged from a singularity during the Big Bang. But now physicists are exploring the possibility that our universe was created by the death of an earlier universe. » 12/12/08 2:00pm 12/12/08 2:00pm