The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe. Durham ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

NASA released images of star clusters NGC 460 and NGC 456 in the Small Magellanic Cloud. Hubble shows visible light, while ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.