A critical examination of the Big Bang theory: empirical evidence versus belief; contributions of Georges Lemaître and Edwin Hubble; dependence on inflationary cosmology and adjustable parameters; and ...

This video explores one of the hardest questions in cosmology: what, if anything, existed before time began. But the deeper ...

It’s supposed to be the “gold standard” of evidence supporting the standard model of cosmology – including dark matter, dark energy and the exponential expansion after the big bang known as inflation.

This week, an international team of more than 160 astronomers working with the Atacama Cosmology Telescope released three preprint papers submitted to The Astrophysical Journal unveiling the most ...

Some black holes roaming the Universe today may actually be older than the Big Bang. A new cosmic “bounce” model suggests the ...

How did everything begin? It’s a question that humans have pondered for thousands of years. Over the last century or so, science has homed in on an answer: the Big Bang. This describes how the ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American What do we really know about our universe?