A large radio galaxy study finds our solar system moves faster than theory predicts, raising new questions about how matter ...

The universe is supposed to look the same no matter where you stand. That idea, known as the cosmological principle, sits at ...

Astronomers have discovered a new kind of star system: Elongated and clumpy clusters of young, hot, blue stars, formed out of gas blown out of a galaxy as it rams its way through a galaxy cluster.

WASHINGTON (Reuters) - The Large Magellanic Cloud is a dwarf galaxy residing near our Milky Way, visible to the naked eye as a luminous patch of light from Earth's southern hemisphere and named after ...