The cosmological principle is the foundation of modern cosmology – but its usefulness doesn’t necessarily make it true, says columnist Leah Crane ...
A proposed cosmology model argues that the universe may contain ordinary matter alone, without dark matter or dark energy.
Earlier this year, the Dark Energy Spectroscopic Instrument (DESI) completed observations that mapped 47 million galaxies across 11 billion light-years, allowing astronomers to better evaluate the ...
What if one of the biggest assumptions in cosmology is wrong? New research suggests the universe may not be perfectly uniform in every direction, as scientists have long believed. A puzzling mismatch ...