Ultra-faint dwarf galaxies, cosmic 'ghost towns,' offer new insights into the early universe and star formation.

Leo P, a galaxy once dormant, has reawakened to form stars again, offering new clues about the universe's earliest galaxies.

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...

The IceCube Neutrino Observatory has detected a "high-energy neutrino emission from within the Milky Way," according to AAAS.

A team that included University of Arizona astronomers captured the infrared image of the supermassive black hole using a Large Binocular Telescope Interferometer.

Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...

Image of the supermassive black hole Sagittarius A* (Sgr A*). from the Event Horizon Telescope (EHT) collaboration "has uncovered strong and organised magnetic fields spiralling from its edge," ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

For years, Arlene Jurewicz-Leighton taught online courses for science educators. She noticed that her home in Lincolnville ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

The “ghost towns,” named Sculptor A, B, and C, consist of three faint and ultra-faint galaxies about 6.5 million light-years ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.