New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

Gum 41, a radiant nebula in the southern sky, glows due to powerful radiation from a pair of massive stars at its core. This ...

Comet C/2024 G3 (ATLAS) seen above ESO's Paranal Observatory in Chile on Jan. 21, 2025. ESO's Very Large Telescope sits atop ...

RCW 38 lies approximately 5,500 light-years away in the constellation Vela. Unlike many star clusters that appear as simple ...

The European Southern Observatory (ESO) has released a stunning 80 million-pixel image of the star cluster RCW 38, as ...

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

Photographers have been sharing their photographs of Comet G3 (ATLAS), which burned bright during January in the southern ...

As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.

China has begun recruiting for a planetary defense force after risk assessments determined that an asteroid could conceivably ...

ESOChile's pristine, dark desert skies are world-renowned for astronomy.But now the community says they are at risk of being ...

Last year, a pair of researchers claimed that the shockwaves of the shutdown could be felt as far as the moon, causing a ...

Chile's renowned dark skies face threats from industrial development. Astronomer Angel Otarola highlights concerns about ...