The universe may be asymmetric, not identical in all directions The cosmic dipole anomaly challenges the standard Lambda-CDM ...

What are the mysterious dark matter and dark energy that seem to account for so much of our universe? Why is the universe expanding? For the past 30 years, most cosmologists have looked to the ...

A new study questions dark energy's role in the universe's acceleration, suggesting it may be weakening instead.

Early 20th-century cosmology transitioned from galactic astronomy with Edwin Hubble's discovery of external galaxies and the universe's expansion, which Albert Einstein's general relativity later ...

These remarks owe their existence to a suggestion of Dr R. Mullen of Science-Fiction Studies, who received a review copy of Cosmology Now (ed. Laurie John, Taplinger Publishing Co., 168p, $10.95) but ...

Dark matter has never been detected, yet it is a key part of the dominant theory of cosmology. An alternative theory, MOND, is empirically equivalent and more successful at making predictions. But the ...

Researchers may have discovered a giant arc of galaxies that would challenge the standard model of cosmology. The team of astronomers believe that the arrangement of galaxies, which they’ve dubbed ...

The scene was familiar from a dozen science-fiction novels, but this was no poorly pressurized dome on some airless future world. It was Denver International Airport in Colorado — a mile above sea ...