In the mid-20th century, a group of Cambridge physicists proposed a radical idea: the universe has no beginning and no end.

The largest-ever survey of physicists from around the world—released today—shows a distinct lack of consensus across many of ...

READER QUESTION: My understanding is that nothing comes from nothing. For something to exist, there must be material or a component available, and for them to be available, there must be something ...

Is the universe limitless, with no beginning and no end in either time or space? Or did it begin with a “Big Bang,” the sudden expansion of a monstrous mass of hot hydrogen that spread out to form ...

The largest-ever survey of physicists from around the world - released today - shows a distinct lack of consensus across many ...

I can accept the apparent violation of the light-speed-limit in the Big Bang theory by picturing there being no space at all before the BB. Before there was nothing, not even space. Then there was ...

“The first thing we know about the universe is that it’s really, really big,” says cosmologist Michael Turner, who has been contemplating this reality for more than four decades now. “And because 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?

Survey reveals division: A poll of 1,675 physicists found no majority support for most standard theories, including the ΛCDM ...

READER QUESTION: My understanding is that nothing comes from nothing. For something to exist, there must be material or a component available, and for them to be available, there must be something ...