Apr 2, 2014 — Evidence of ultra-fast cosmic expansion forces us to confront the possibility that the multiverse exists. But how will we ever know? It's a problem that could leave us tangled up in knots.
Oct 22, 2013 — Science is radical and conservative at the same time, almost as if it exists in a quantum state. Commentator and astrophysicist Adam Frank says this is the tension at play today as his community struggles with whether to keep faith in the laws that determine the one universe we see or jump ship for the promise of the multiverse.
Apr 30, 2013 — Time is special. How we see it helps determine how we see the rest of the Universe. Physicist Lee Smolin has a new book out that says we've been looking at time the wrong way. Adam Frank digs in and offers his own perspective on Smolin's argument.
Feb 27, 2013 — The Universe could end tomorrow, courtesy of the newly-discovered Higgs. But, as commentator Marcelo Gleiser explains, there is really no need to panic.
Feb 20, 2013 — The Universe is different from the universe in commentator Marcelo Gleiser's eyes. It's not about grammar. It's about cosmology, about what we know versus what we are able to imagine.
Jan 9, 2013 — Modern cosmology predicts the existence of other universes. But can such idea be tested? And should we worry about universes colliding? Yes! Welcome to the world of cosmic catastrophism.
Oct 3, 2012 — In 1543 Copernicus moved the Earth from the center of the cosmos to a less exalted position. In 1924 Hubble did it again, moving our galaxy from the center of the universe to its place in the crowd. Are we on the verge of realizing our universe also is just one among many?
Sep 19, 2012 — The multiverse is supposed to be the mother of our Universe, and a multitude of others. But can we ever be sure of its existence? And if we can't, is this science?
Jan 11, 2012 — Did time start with the big bang? What's outside the universe? Here are answers to these and other questions you always wanted to ask about the universe.
Oct 25, 2011 — How long is long enough when it comes to waiting for a new cosmology? How long will scientists, or everyone else for that matter, wait for an exciting, though speculative, theory to find some basis in experiment?