If you’ve ever looked up at the night sky and wondered what’s out there, now’s a great time to check out Markarian’s Chain — ...

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at ...

Something unexpected has come to life in the great darkness of space. In a galaxy 300 million light-years away from Earth, a ...

A newly released image from the Hubble Space Telescope shows the charming Sombrero Galaxy, named for its resemblance to the ...

Get Instant Summarized Text (Gist) A massive black hole in the Virgo constellation's galaxy SDSS1335+0728 has become active, emitting intense X-ray flares known as quasiperiodic eruptions (QPEs ...

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at ...

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at regular intervals that have puzzled scientists, a study said Friday.