In a recent update describing the progress of the construction of the Extremely Large Telescope (ELT), the European Southern Observatory (ESO) shared a photo of the dome that will protect the ...

WASHINGTON >> Astronomers have identified a quartet of small rocky planets orbiting Barnard’s star - one of our closest ...

Systems like that were very useful for measuring the radio brightness and positions in the sky of cosmic radio sources, but ...

New images from the Very Large Telescope (VLT) at the European Southern Observatory's (ESO) Paranal Observatory suggest that the galaxy, known as NGC 3640, may soon merge with a smaller galactic ...

To make our measurements, we used one of the most precise spectrographs on Earth, mounted on the largest telescope available to us: ESPRESSO at the European Southern Observatory (ESO) Very Large ...

NASA will use the James Webb Space Telescope to gather crucial data on the size of asteroid 2024 YR4, which has a small ...

A compact NASA space telescope that uses less power than a refrigerator is poised to chip away at that very large question.

ESO Observations Help Almost Fully Rule out 2024 YR4 Asteroid Impact Feb. 25, 2025 — New observations of 2024 YR4 conducted with the European Southern Observatory's Very Large Telescope (ESO's ...

Close up of the stairways up to the top of ESO's Extremely Large Telescope in Chile's Atacama Desert. | Credit: ESO/G. Vecchia These mirrors will allow astronomers to peer into the cosmos like ...