When the European Space Agency's XMM-Newton pointed its telescope at two unidentified sources of light in the outskirts of ...

Russian astronomers have conducted photometric observations of a unique extremely metal-poor luminous blue variable star ...

Carnegie Mellon University researchers led a study that concluded a shredded star launched a powerful burst of energy toward the Earth.

Scientists using the Hubble Space Telescope have spotted a record-smashing galaxy wrapped in 9 rings of stars — along with ...

Yale astronomers have announced the discovery of a galaxy with nine concentric rings—the most rings ever seen in a single ...