“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 ...

A Doppler shift is defined as a change of frequency of light or sound when an object is moving toward or away from an observer. Edwin Hubble observed in 1929 that galaxies appear on average to be ...

While headlines around the world claimed that ancient galaxies discovered by the James Webb Space Telescope were "breaking" our understanding of the Big Bang, the truth is much more nuanced — and much ...

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

This short is a no-dialog, visual presentation of the Big Bang theory, illustrating the origins of the universe and its ...

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 ...

Scientists have created a new map of the dark matter in the universe. Using radiation left over from the Big Bang, researchers mapped the gravitational effects of the mysterious substance. The map ...

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The expansion rate of the universe may be slowing down, rather than ...

The cracks in cosmology were supposed to take a while to appear. But when the James Webb Space Telescope (JWST) opened its lens last spring, extremely distant yet very bright galaxies immediately ...

RUDN University astrophysicists have gathered the most important discoveries of modern cosmology from 1917 to our time. The collected data became an introduction to Philosophical Transactions of the ...