In a tiny, faint dwarf galaxy 150,000 light-years away, astronomers have found a star containing just 1/40,000th of the iron ...

Joseph Shavit The absence of a signal could itself be a signal. This is the idea behind a new study published in the Journal ...

A newly confirmed galaxy lurking near Andromeda is shedding light on the universe’s earliest epochs. Named Andromeda XXXVI, ...

By analyzing the data from the Pan-Andromeda Archaeological Survey (PandAS), European astronomers have discovered a new satellite of the Andromeda galaxy. The newfound object, which received the ...

A dark matter signal that appears in one place but not another might look like a contradiction. This new study argues it may ...

Astronomers have identified a new satellite of the Andromeda galaxy, designated Andromeda XXXVI, making it one of the faintest stellar systems ever detected in the vicinity of our nearest large ...

Learn how a two-state model of dark matter could explain why gamma-ray signals appear in some galaxies but not others.

Dark matter may consist of two particles, explaining why only the Milky Way shows a strange gamma-ray signal while smaller ...

A mysterious glow of gamma rays at the center of the Milky Way has long hinted at dark matter, but the lack of similar ...

A new hypothesis has been proposed suggesting that 'dark matter,' a concept that explains the birth of the universe and the ...

The constellation of Ursa Major (The Great Bear) is home to Messier 101, the Pinwheel Galaxy. Messier 101 is one of the biggest and brightest spiral galaxies in the night sky. Like the Milky Way, ...

In an ancient dwarf galaxy on the outskirts of the Milky Way, astronomers have discovered one of the most chemically primitive stars ever seen. Named PicII-503, the star’s extreme lack of heavy ...