Astronomers from the University of Sheffield and Pennsylvania State University have performed X-ray and optical observations ...

The NASA James Webb Space Telescope captured a stunning image of an Einstein ring, an optical phenomenon created by ...

On Thursday 27 March, the European Space Agency (ESA) sent its last messages to the Gaia Spacecraft. They told Gaia to shut ...

The Small Magellanic Cloud, a dwarf galaxy about 200,000 light-years from the solar system, can be seen with the naked eye ...

A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...

Earth crosses through Saturn’s “ring plane,” making the gas giant’s most iconic feature become nearly invisible ...

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe could be resolved by new physics.

JWST's findings in the HR 8799 system provide key insights into gas giant formation, revealing carbon dioxide and enriching ...

With METIS and MICADO, two instruments for what will be the largest optical telescope in the world, the Extremely Large ...

The Hubble Space Telescope captured an image of a star and a spiral galaxy, both in the constellation Virgo. But the photo is ...

Over the past few years or so the most talked about kind of telescope was the one that is meant to operate in space. An ...