Nancy Grace Roman Space Telescope

Space 2-kiloparsec trail of stars could reveal how dark matter shapes galaxies

A faint stellar ribbon around an ultra-diffuse galaxy may open a new window on the structure of invisible dark matter.

Green Impact Andromeda’s star formation has been slowing down for 500 million years Joshua Shavit

Space Physicists propose a new way to spot supermassive black hole pairs Joseph Shavit