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

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

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

For a brief moment at the end of February, every planet will appear in the night sky simultaneously in a rare celestial ...

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

A vast cosmic explosion left behind an intricate masterpiece in the sky — delicate pink and orange filaments dancing in the ...

In these gorgeous photos from the Paranal Observatory, it's not hard to see why. Photographer Yuri Beletsky caught comet G3 (ATLAS) looking " almost like a watercolor painting," ESO wrote in a ...

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

Chile's dark skies, vital for astronomy, face threats from urban development. The asteroid Bennu could pose a future risk to ...

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