New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

Astronomers have finally caught a dying star in space going out with a bang — and then another bang. The new photographic ...

Astronomers uncover the first direct evidence for how some white dwarf stars explode, confirming the long-debated ...

MUSE allows astronomers to map the distribution of different chemical elements, displayed here in different colours. Calcium ...

The European Southern Observatory’s Extremely Large Telescope (ESO’s ELT) is a revolutionary ground-based telescope that will have a 39-metre main mirror and will be the largest telescope in ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them.

ESO/Manu Mejias . The European Southern Observatory's Very Large Telescope was used to obtain this view of the nebula LHA 120-N 44 surrounding the star cluster NGC 1929.

Today (May 25), the European Southern Observatory announced that it has selected a contractor to build the dome and main facility of the European Extremely Large Telescope (E-ELT) in the mountains ...

The space-based observatory has revolutionized the way we see space, and it can now add another remarkable accomplishment to ...

The European Southern Observatory (ESO)'s Extremely Large Telescope is seen taking shape in this May 1 , 2025 photo captured directly above the construction site. Construction on ESO's Extremely ...