The James Webb Space Telescope was expected to help settle a major dispute over how fast the universe is expanding. Instead, ...

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 ...

The Rediff Special / Carl Sagan 'Hindu cosmology's time-scale for the universe is in consonance with modern science' Carl ...

Once dismissed as empty expanses between galaxies, cosmic voids are becoming one of the most promising tools for probing the ...

The Atacama Cosmology Telescope — a National Science Foundation-funded observatory that works in collaboration with Penn — released unprecedentedly precise images of the universe’s early years. The ...

Modern cosmology often presents itself as the most triumphant extension of physics. It has traced the history of the universe from fractions of a second after the Big Bang to the formation of galaxies ...

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 ...

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?

Physical cosmology, as a branch of astrophysics, is the study of the large-scale structure of the universe and is concerned with fundamental questions about its formation and evolution. Cosmology ...