Scientists found one of the most luminous supernova, ASAS-SN-15lh, which is 50 times more luminous than the Milky Way galaxy.
The "alien megastructure" star may have gotten a little more mysterious.
Apparently a distant and quiet quasar SDSS J1011+5442 has run out of gas.
A newly discovered supernova may outshine all others. Scientists have witnessed a cosmic explosion that was about 200 times more powerful than a typical supernova.
Juno has broken a solar power distance record and has become one of humanity's furthest distant solar powered emissaries.
Researchers found a wind of high-speed gas gushing out from the center of a bright spiral galaxy, a twin of the Milky Way.
Scientists capture high-energy X-ray image of a portion of Andromeda galaxy with NASA's Nuclear Spectroscopic Telescope Array
A newly installed instrument on ESO's Very Large Telescope may tell scientists quite a bit about black holes.
Astronomers found that the majority of stars have strong magnetic fields, it turns out this process may not be so rare after all.
Scientists have created the largest age map yet of the Milky Way Galaxy, revealing just how our galaxy grew up
The Hubble Space Telescope captured the image of two galaxies as they smashed into each other, forming a giant elliptical galaxy, NGC 3597.