Something strange is happening on the outskirts of our Solar System. It could be a large, mysterious planet. Or, it could be ...

Despite their name, black holes aren't empty voids but are actually massive amounts of matter packed into an infinitesimally ...

In a patch of sky about 1. 2 billion light-years from Earth, astronomers have found a cosmic rarity: three galaxies caught in ...

Astronomers analyzed AT 2024wpp, the brightest LFBOT observed, confirming a black hole shredded a companion star, producing high-energy blue, ultraviolet, X-ray, and radio emissions.

Astronomers have confirmed the first known triple system in which all three galaxies host actively feeding, radio-bright ...

Galaxy mergers are not uncommon throughout the Universe; in fact, they're thought to be one of the major mechanisms whereby ...

Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing ...

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...

In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...

APM 08279-5255 is a massive black hole (quasar) that contains about 140 trillion times the amount in all of Earth’s oceans ...

A supermassive black hole that’s 10 million times the mass of the Sun is hurtling through space, leaving a trail of gas that’s spawning newborn stars in its wake. Astronomers have long theorized about ...

Approaching a black hole unleashes extreme tidal forces, stretching and tearing apart matter, including planets like Earth, a phenomenon known as spag ...