The James Webb Space Telescope has taken its first look at the near-Earth asteroid 2024 YR4 before a perilous close approach ...

An analysis of two decades of data from NASA's Hubble Space Telescope has provided fresh insights into the complex ...

Interview The team behind the James Webb Space Telescope (JWST) just scored the Simon Ramo Medal, given by the Institute of ...

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...

The Cherenkov Telescope Array (CTA) is a project to build a new generation ground-based gamma-ray observatorium. It will ...

Refracting telescopes dominated the nineteenth century, with the size of apertures rising to reach the physical limits for lens manufacture at a diameter of around one metre. A key optical ...

This out-of-this-world telescope is the biggest of its kind. It is made up of five mirrors that can gather 100 million times the light a human eye can and is contained by a steel dome, which ...

The effects of a proposed green-energy facility in Chile could be devastating for some of the most powerful instruments ...