For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...
On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are.
A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...
The existence of massive, elliptical galaxies in the early universe has puzzled astronomers for two decades. An international ...
The group of Prof. Habouzit has strong theoretical expertise in the formation and evolution of galaxies and their massive black holes (MBHs), as well as advanced simulation modeling.
The James Webb Space Telescope (JWST) was designed to look back in time and study galaxies that existed shortly after the Big ...
The broadest planned survey by NASA's upcoming Nancy Grace Roman Space Telescope will reveal hundreds of millions of galaxies scattered across the ...
New radio observations of molecular gas reveal how dozens of galaxies could have rapidly merged together in the early ...
A sheet of dark matter lying beyond the boundary of the Local Group is responsible for this.
A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...
New radio observations of molecular gas reveal how dozens of galaxies rapidly merge together in the early universe.
Earlier this week, science writer Paul Sutter covered a bold new study that leans toward so‑called “fuzzy” dark matter as the ...