What if the universe had no beginning, and time stretched back infinitely without a big bang to start things off? That's one possible consequence of an idea called "rainbow gravity," so-named ...

You should probably read this. It's only potentially one of the most important revelations in physics since Einstein's days. Eric Mack has been a CNET contributor since 2011. Eric and his family ...

Physicists have applied a decade-old theory about how gravity is related to spacetime to the question of how the universe began and identified a possible fault in the widely-accepted idea that the ...