While it is already dimming after a close encounter with the sun, Comet C/2024 G3 (ATLAS) – also called the Great Comet of ...

Very Large Telescope observations of the galaxy revealed that there was likely a “sudden awakening of the massive black hole at its core,” according to the European Southern Observatory (ESO). Credit; ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

An international team of researchers has detected a binary star orbiting near Sagittarius A*, the supermassive black hole ...

YR4, the asteroid has a 2.2% chance of hitting our planet on December 22, 2032, according to the European Space Agency.

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

The latest calculations show that the asteroid known as "2024 YR4" has an increased chance of striking our planet in Dec. 2032.

NASA warns that the odds of the 'city-destroying' asteroid 2024 YR4 hitting Earth have increased to a one in 43 chance.

By revealing a massive radio jet in the early universe, J1601+3102 offers a rare snapshot of early quasar activity.