A short, no-dialog visual presentation of the Big Bang theory. Related videos: - Brief history of the Universe — full ...

For centuries, cartographers have sought to map Earth’s land masses and seas to better understand the world and their place in it. Now, astrophysicists have taken a major step toward doing the same ...

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

Given how unfathomably large the universe is, it is perhaps understandable that we haven't yet cracked all its secrets. But there are actually some pretty basic features, ones we used to think we ...

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 ...

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?

ABHAY ASHTEKAR remembers his reaction the first time he saw the universe bounce. “I was taken aback,” he says. He was watching a simulation of the universe rewind towards the big bang. Mostly the ...

“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 ...

For most of us, “inflation” is a term that comes up only in conversations about the economy or flat tires. But for many cosmologists, inflation is the ultimate word in understanding how the universe ...