Astronomers have discovered a rare type of black hole tucked in a star cluster approximately 40,000 light-years away. Officially designated NGC 6099 HLX-1, this black hole was found after NASA 's ...

Supermassive black holes, sitting at the core of galaxies, are known to be active and emit a lot of X-rays. Finding one way ...

Consolmagno, who has a prodigious white beard, wavy gray bangs, and dark, beetling eyebrows, is one of fifteen scientists who ...

Astronomers may have found a rare intermediate-mass black hole outside galaxy NGC 6099—offering clues about how bigger black ...

The Hubble Telescope and Chandra X-ray Observatory saw an enigmatic intermediate-mass black hole lighting up in X-rays, ...

A recent collaboration between NASA’s Hubble Space Telescope and Chandra X-ray Observatory has resulted in the discovery of a ...

NASA’s Hubble Space Telescope and NASA’s Chandra X-ray Observatory have teamed up to identify a new possible example of a ...

Pope Leo XIV celebrated the anniversary of the of the Apollo 11 spaceflight mission, the first crewed moon landing.

Saint Paul also sent a message honoring and blessing the three astronauts after they landed on the moon, calling them ...

Astronomers have just solved a long-standing mystery about a rare, rapidly spinning neutron star known as PSR J1023+0038.