A tiny chunk of dead star just 731 light-years away has presented astronomers with a shimmering puzzle: a powerful, glowing ...

The coldest and densest molecular gas clouds in the interstellar medium can have temperatures of 10 K (-505 °F/-263 °C), ...

Deep space has just delivered a cosmic curveball: an object that behaves so strangely it appears to break the rules ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

Astronomers study planetary transits and atmospheric signals using interstellar object 3I/ATLAS, drawing on transit spectroscopy principles and recent observational constraints discussed by Avi Loeb.

Harvard astrophysicist Avi Loeb warns 3I/ATLAS, tagged a comet by NASA, may be a rare 'Black Swan' or Trojan Horse, urging ...

Astronomers have observed a white dwarf - a highly compact Earth-sized stellar ember - that is creating a colorful shockwave ...

A white dwarf is creating a shockwave as it travels through the interstellar medium. Similar shockwaves are sometimes seen as ...