The Square Kilometre Array will take longer to expand further into eight African nations than originally planned.

Astronomers have constructed telescopes of every kind - massive observatories designed to pick up faint traces of light ...

High in the Chilean desert, the Extremely Large Telescope is taking shape. It promises sharper views of space than we've ever seen — but will Australian astronomers be able to use it?

The most familiar type of telescope is the refractor. It uses two lenses, one to collect the light and form an image, called ...

China has begun expanding the Five-hundred-meter Aperture Spherical Telescope (FAST), the world’s largest and most sensitive ...

Discover the wonders of telescopes, from their design to their limits, and the advanced technology behind modern astronomical ...

We put optical observatories on tops of high mountains to get them above the clouds and away from our light pollution.

NASA's Webb Space Telescope keeps spotting details no one has seen before: countless galaxies, clouds of dust birthing new ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

Astronomers observed a close pair of black holes dancing around one another using the Hubble Space Telescope and Chandra ...

The pair are around 300 light-years apart and were detected using Nasa's Hubble Space Telescope and the Chandra X-ray ...

NASA discovered the closest confirmed pair of supermassive black holes within the galaxy MCG-03-34-64, located 300 ...