Their observations of a faint, cool M-dwarf star called LHS 1903 revealed a system with a rocky world at its outer edge. LHS ...

Earlier this week, science writer Paul Sutter covered a bold new study that leans toward so‑called “fuzzy” dark matter as the ...

For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...

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.

Most galaxies in the universe have a supermassive black hole (SMBH,) at their centre. If matter is actively accretted onto it, the galaxies are classified as `active' and they are dubbed as Active ...

The broadest planned survey by NASA’s upcoming Nancy Grace Roman Space Telescope will reveal hundreds of millions of galaxies scattered across the cosmos. After Roman launches as soon as this fall, ...

Learn how dozens of galaxies may have merged into a giant galaxy shortly after the Big Bang.

Lawrence Livermore National Laboratory creates a cislunar orbit map to help predict satellite stability and improve collision avoidance in increasingly crowded Earth orbits.

The existence of massive, elliptical galaxies in the early universe has puzzled astronomers for two decades. An international ...

Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...

Few scientific ideas have leapt from philosophy seminars to dinner-table debates as quickly as the claim that our universe might be an artificial construct. The simulation hypothesis promises a ...

On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are.