Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...
Researchers have discovered three ultra-massive galaxies from the universe's first billion years, challenging existing models of star formation. These galaxies, identified with the James Webb Space ...
This surprising discovery was made possible by the James Webb Space Telescope's ... Astronomers' Theory of How Galaxies Formed May Be Upended Nov. 12, 2024 — The standard model for how galaxies ...