Cosmic evolution

Space JWST reveals why some distant galaxies suddenly stop forming stars

Webb spotted faint merger scars in distant galaxies that abruptly stopped forming stars 9 billion years ago.

Space 10 billion-year-old supernova sheds new light on cosmic expansion and dark energy Joseph Shavit

Space At 50 million-light-years long, scientists discover one of the universe’s largest structures Joseph Shavit

Space Citizen scientists help spot massive ring-shaped radio galaxies Joseph Shavit