"Baby star clusters" are aggregates of very young stars in the early stages of formation. Distinguished by their recent birth ...

Chinese astronomers have found a pair of young star clusters formed within a circumgalactic high-velocity cloud on the ...

The first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University of ...

We're starting to see just how exceptional our own solar system and its history is, as more exoplanets are discovered. A ...

Astronomers have identified a star called PicII-503 inside the ultra-faint dwarf galaxy Pictor II, and its chemical ...

How does fine dust aggregate into building blocks that ultimately form entire planets like our Earth? A research team led by ...

GRB 230906A, a short gamma-ray burst first detected in 2023, points to a faint galaxy embedded within a long stream of torn ...

Merging black holes and neutron stars have unusual oval orbits prior to colliding and merging, which challenge the laws of ...

Astronomers have tracked a powerful blast of radiation back to its source, finding a neutron star collision within colliding ...

A neutron star and black hole (GW200105) were detected merging along an unusual oval orbit, challenging theories about how ...

Their formation has been an object of debate, but new observations confirm the lead hypothesis: they are the product of ...

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the ...