Scientists have made a new calculation of the speed at which the universe is expanding, using the data taken by the powerful new James Webb Space Telescope on multiple galaxies. Webb’s image of one ...

Vaonis has added a new Mark II version of its Vespera smart telescope. The Vespera II offers higher resolution over the original Vespera, and other enhancments, in the same space-aged design as before ...

If there is a very dense object such as a black hole or large star in the foreground, whatever is shining from behind it ...

The Atacama Large Millimeter/submillimeter Array (ALMA) has shared its highest-resolution image ever, featuring a star in the final stages of its evolution. ALMA is a ground-based telescope array ...

Our galaxy's supermassive black hole is famous for being one of the dimmest in the universe. Evidence from a new space ...

The Event Horizon Telescope (EHT) was designed to capture images of some of the most gargantuan structures in the universe — and a new observation just pushed it to its limits. In a study published in ...

According to the widely accepted Rayleigh criterion, in order to resolve two distant point sources, their angular separation must be larger than 1.22 (the wavelength of light divided by the ...

The Webb Space Telescope has been dutifully beaming back incredible imagesof the cosmos since its “perfect” alignment earlier this year—but nothing is entirely perfect, even a $10 billion telescope.

Unistellar's Equinox 2, debuting at CES, is smart enough to point itself at the stars, nebulas and galaxies you pick with your smartphone. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...

A ground-based telescope in Chile has shared its highest-resolution image ever, showcasing the final stages of star evolution within our galaxy 1,350 light-years from Earth. The telescope is ...

The largest solar telescope in Europe has released unprecedented close-up images of the sun — and they are a little bit terrifying. GREGOR, a telescope operated by a team of German scientists at the ...