Astronomers hunting for evidence of the light from the first stars and galaxies have found that the universe was warm, rather than cold, before it "lit up." ...
This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...
One of the first chemical reactions thought to have occurred in the universe has long posed a conundrum, as it seemed the ...
Mysterious space "bang" GW190521 could be our first evidence of another universe, detected through gravitational waves from a ...