Scientists suspect lightweight dark matter might ionize hydrogen in the Milky Way’s core. This could also explain the 511-keV ...

Day 20 of the 2024 Space Telescope Advent Calendar: a galactic chain. This Hubble image features an interacting galaxy system known as Arp-Madore 2105-332, that lies about 200 million light-years ...

We are particularly interested in the role that galaxy environment plays, from the small scale of galaxy mergers and interactions to the large scale galaxy clusters, filaments, and voids. We use ...

A newborn star’s fiery outburst has been caught in breathtaking detail by NASA’s James Webb Space Telescope, revealing a ...

This artist concept depicts a reconstruction of what the Firefly Sparkle galaxy looked like about 600 million years after the big bang if it wasn’t stretched and distorted by a natural effect known as ...

According to the researchers, a major factor impacting galaxy evolution is galaxy interactions, which happen when galaxies move close by each other and exert tremendous gravitational forces on ...