Black holes that have been obscured by clouds of dust still emit infrared light, enabling astronomers to spot them for the ...

Rare ultra-faint dwarf galaxies beyond the influence of other galaxies show evidence that star formation was stifled long ago ...

Astronomers discovered ultra-faint dwarf galaxies, frozen for 13 billion years, offering rare insights into early cosmic ...

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

Computer algorithms can model the universe, matching simulations to observations and revealing the distribution of dark ...

An ultra-deep image from the National Science Foundation's Dark Energy Camera reveals a wide variety of galaxies in the ...

A team of astronomers led by University of Arizona researcher Catherine Fielder captured the most precise photographs of a small galaxy and its surroundings, revealing features typically found in much ...

That distance ladder needs to be anchored somehow, calibrated with a robust distance measurement to a galaxy or group of galaxies nearby. To that end, Scolnic and Riess turned to Hubble Space ...

A study carried out by a team of astronomers led by University of Arizona researcher Catherine Fielder has found that smaller ...