The first flight of the Ariane 6, which succeeds the venerable, now-retired Ariane 5, notably experienced an issue with the rocket's upper stage that prevented it from performing a final deorbit burn.

The Webb images show dense sheets of gas and dust stretching across hundreds of astronomical units. NASA's James Webb Space Telescope has captured highly detailed images showing the complex layers ...

The James Webb Space Telescope has captured a mid-infrared ... The space telescope orbits the sun nearly a million miles (1.5 million kilometers) from Earth and has been making observations ...

The telescope captured the infrared glow of the cosmic material, revealing delicate patterns. The James Webb Space Telescope (JWST), the most powerful telescope developed by mankind, is ...

The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar monster 20 times the mass of the sun. Supernovas in the early universe ...

These clouds tend to remain invisible — but the James Webb Space Telescope (JWST) has managed to capture one in a rare moment when it was lit up. Peering at a dusty pocket of our galaxy about ...

Artist Ashley Zelinskie's new VR work is called "Twin Quasar." Two roads diverge between a pair of quasars, and I'm sorry I can't travel both — actually, wait, I can travel both. I'm "standing ...

Scientists used the James Webb Space Telescope to study the unusual ... The dwarf galaxy, known as Leo P and about 5.3 million light-years from Earth, is offering new insights into galaxy ...

Son pourcentage de réussite est supérieur à celui d’Ariane 5 qui était, à juste titre, considéré comme un excellent lanceur », détaille le responsable de l’actualité spatiale.

Le télescope spatial James-Webb vient de fournir pour la première fois des observations dans l'infrarouge moyen de l'équivalent des éruptions solaires, mais cette fois-ci dans le disque d ...

A team of astronomers sifted through James Webb Space Telescope data from multiple surveys to compile one of the largest samples of “little red dots” (LRDs) to date. (NASA / ESA / CSA / STScI ...