Scientists discover how first quasars in universe formed

The mystery of how the first quasars in the universe formed—something that has baffled scientists for nearly 20 years—has now been solved by a team of astrophysicists whose findings are published in Nature.

A giant black hole that spins slower than its peers

Astronomers have made a record-breaking measurement of a black hole's spin, one of two fundamental properties of black holes. NASA's Chandra X-ray Observatory shows this black hole is spinning slower than most of its smaller ...

Examining the supermassive black hole in our galaxy

The supermassive black hole (SMBH) at our galaxy's core, Sagittarius A*, is modest in size with only 4.15 million solar-masses. The Event Horizon Telescope (EHT) recently released a dramatic submillimeter image of it as seen ...

Space probe reveals secrets of 'restless' Milky Way (Update)

The Gaia space probe on Monday unveiled its latest discoveries in its quest to map the Milky Way in unprecedented detail, surveying nearly two million stars and revealing mysterious "starquakes" which sweep across the fiery ...

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