How Do We Know the Universe Had a Beginning?

As scientists continue to probe into the early moments of the universe, some are proposing models that challenge the long-established big bang model. Does this new approach overturn Scripture s teaching that the universe had a transcendent Beginner? If so, what impact might this have on Christian apologetics? Astrophysicist Dr. Jeff Zweerink surveys the historical development of big bang cosmology and offers a solution that could help resolve the tension about emerging discoveries.